Epstein Barr Virus

Epstein-Barr virus (EBV) causes most cases of infectious mononucleosis (“mono”) and can also present as a prolonged sore throat, fever, swollen glands, and fatigue. Because these symptoms overlap with strep throatcytomegalovirus (CMV), influenza, and other illnesses, lab testing is essential to confirm or rule out EBV.

A proactive approach uses EBV antibody panelsVCA IgMVCA IgGEBNA-1 IgG, and sometimes EA-D IgG—to determine if infection is newpast, or unlikely. The older heterophile antibody (Monospot) can support diagnosis in teens and adults but misses many cases in young children. In people who are immunocompromised or after transplant, clinicians often use EBV DNA PCR (viral load) to track risk and guide care. EBV tests support screeningdiagnostic work-ups, and monitoring, but they do not replace a clinician’s exam, strep testing when indicated, or urgent care for severe symptoms.

Signs, Symptoms & Related Situations

  • Throat & lymph nodes: very sore throat, swollen tonsils, white exudates, swollen neck nodes, painful swallowing

  • Whole-body: fever, marked fatigue, headaches, body aches, night sweats

  • Liver & spleen: tender left-upper-abdomen fullness (enlarged spleen), mild jaundice, elevated liver enzymes

  • Skin: faint rash (especially after certain antibiotics)

  • Look-alikes to consider: strep throat, CMV mono-like illness, influenza, acute HIV (clinician-directed testing)

  • When to seek urgent care: severe breathing or swallowing trouble, intense left-upper-abdominal pain, fainting, confusion, or signs of dehydration

Symptoms require evaluation by a qualified clinician.

Why These Tests Matter

What testing can do

  • Confirm recent EBV infection vs past infection or no evidence of EBV

  • Help differentiate EBV from strep or CMV in mono-like illness

  • Provide baselines (CBC, liver enzymes) and, when needed, viral-load monitoring in high-risk patients

What testing cannot do

  • Date the exact day of infection or prove immunity against future illness

  • Replace strep testing, throat culture, or imaging when clinically indicated

  • Serve as a stand-alone explanation for chronic fatigue without supportive clinical findings

What These Tests Measure (at a glance)

  • VCA IgM (Viral Capsid Antigen IgM): early antibody in acute EBV; usually fades within weeks. Can be negative very early—repeat if suspicion is high.

  • VCA IgG: appears during acute infection and persists for life; documents past exposure.

  • EBNA-1 IgG (EBV Nuclear Antigen): develops 2–4 months after onset; presence usually means past infection, not acute.

  • EA-D IgG (Early Antigen, diffuse): may rise in acute infection or reactivation; can persist in healthy people—interpret with the full panel.

  • Heterophile antibodies (Monospot): rapid screen for mono in adolescents/adults; poor sensitivity in children <4 years and early illness; false positives occur.

  • EBV DNA PCR (quantitative): measures viral load in blood; most useful in immunocompromised or post-transplant monitoring—not routinely needed in uncomplicated mono.

  • Context labs: CBC with differential (atypical lymphocytes), liver enzymes (AST/ALT, bilirubin), and strep testing when throat findings suggest.

Quick Build Guide

Clinical goal Start with Add if needed
Suspected mono (teen/adult) EBV VCA IgM + VCA IgG ± Heterophile EBNA-1 IgG • CBC • AST/ALT
Young child or early illness EBV antibody panel (VCA IgM/IgG ± EBNA-1) Repeat in 7–10 days if initial tests are negative but suspicion remains
Negative Monospot, classic symptoms Full EBV panel (VCA IgM/IgG + EBNA-1) CMV IgM/IgG • Strep test
Immunocompromised / post-transplant EBV DNA PCR (viral load) Serology as context; trend viral load per clinician plan
Past infection status VCA IgG + EBNA-1 IgG
Prolonged fever or abnormal LFTs EBV panel + LFTs CMV testing • Other causes per clinician

How the Testing Process Works

  1. Choose the right pathway: antibody panel for most patients; PCR for immunocompromised monitoring.

  2. Time your draw: antibodies may be negative in the first week—repeat in 7–10 days if needed. No fasting is required.

  3. Get your draw: visit a nearby patient service center; results post securely, often within a few days.

  4. Combine with other tests: add strep testing when throat findings suggest; include CBC/LFTs to assess severity.

  5. Review & plan: discuss results with your clinician; activity and follow-up decisions depend on symptoms, spleen size, and labs.

Interpreting Results (General Guidance)

  • Acute primary EBV: VCA IgM positiveVCA IgG positiveEBNA-1 IgG negative (EA-D may be positive).

  • Past infection: VCA IgG positive and EBNA-1 IgG positive with VCA IgM negative.

  • Reactivation pattern: VCA IgG positiveEBNA-1 IgG positiveEA-D IgG often positiveVCA IgM usually negative (low-level IgM alone is not proof of reactivation).

  • Early window / indeterminate: results negative or isolated VCA IgM; repeat serology in 7–10 days.

  • PCR (viral load): elevated levels support active replication in immunocompromised settings; interpret trends, not single values.
    Always interpret results with a qualified healthcare professional; patterns and timing matter more than a single value.

Choosing Panels vs. Individual Tests

  • Best first step (most users): EBV antibody panel (VCA IgM, VCA IgG, ± EBNA-1 IgG, ± EA-D).

  • Add Monospot for a quick screen in adolescents/adults—do not rely on it alone.

  • Reserve EBV DNA PCR for immunocompromised patients or when directed by your clinician.

  • Add rule-out tests (strep, CMV IgM/IgG) when symptoms overlap.

FAQs

Is Monospot enough to diagnose mono?
Not always. It can miss early cases and is less reliable in young children. An EBV antibody panel is more informative.

How soon after symptoms should I test?
Antibodies may be negative in the first few days. Testing is most reliable after the first week, with repeat in 7–10 days if needed.

Can EBV explain long-term fatigue months later?
Past infection is common. EBV serology alone does not diagnose chronic fatigue; discuss ongoing symptoms with your clinician.

Do EBV antibodies mean I’m immune?
They show past exposure, but EBV can remain latent. Antibodies don’t guarantee you won’t get sick again from another cause.

When is EBV PCR useful?
Mainly in immunocompromised or post-transplant care to monitor viral load and guide follow-up; it’s not routine for simple mono.

Should I be tested for strep, too?
Often yes when throat findings suggest it. EBV and strep can look similar; your clinician may order both.

Can children get EBV?
Yes. Young children often have milder illness, and Monospot is less sensitive—serology is preferred.

Related Categories & Key Tests

  • Infectious Disease Tests Hub

  • Strep Throat & Respiratory Infection Tests • Cytomegalovirus (CMV) Tests • Immunoglobulins • Liver Function Tests • General Health Panels

  • Key Tests: EBV VCA IgM • EBV VCA IgG • EBNA-1 IgG • EA-D IgG • Heterophile (Monospot)• EBV DNA PCR (quantitative) • CBC with differential • AST/ALT/Bilirubin • CMV IgM/IgG • Rapid Strep/Culture

References

  • Centers for Disease Control and Prevention — Epstein-Barr Virus and Infectious Mononucleosis: Laboratory Testing Overview.
  • Infectious Diseases Society of America — Practice guidance for acute pharyngitis and mono-like illness evaluation.
  • Clinical microbiology reviews on EBV serologic patterns (VCA IgM/IgG, EBNA-1, EA-D) and interpretation pitfalls.
  • Transplant and immunocompromised care guidelines for EBV DNA viral-load monitoring.
  • Hematology and laboratory texts on atypical lymphocytosis and liver enzyme changes in EBV.
  • Antibody Tests For The Epstein-Barr Virus (EBV)
  • Epstein Barr Virus and Lab Testing  - What You Need to Know

Available Tests & Panels

Your Epstein-Barr Virus Tests menu is pre-populated in the Ulta Lab Tests system. Start with an EBV antibody panel(VCA IgM/IgG with EBNA-1), add Monospot for quick screening when appropriate, include CBC/LFTs for severity context, and use EBV DNA PCR when clinician-directed (especially in immunocompromised care). Review timing and results with your clinician to plan next steps.

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Name Matches

The Epstein-Barr Virus (EBV) Comprehensive Panel measures VCA IgM, VCA IgG, EBNA IgG, and Early Antigen D IgG antibodies to evaluate stage of EBV infection. This virus causes mononucleosis and has links to chronic fatigue, autoimmune conditions, and certain cancers. Doctors order this test for patients with fever, sore throat, lymph node swelling, or prolonged fatigue. Results help distinguish acute, past, or reactivated EBV infection and guide clinical care.

Blood
Blood Draw, Phlebotomist
Panel Contains Test: Comprehensive Epstein-Barr Virus Panel, EBV Panel

The Epstein-Barr Virus (EBV) Viral Capsid Antigen (VCA) IgA Antibody Test detects IgA antibodies that may indicate recent or reactivated EBV infection. Elevated IgA levels are often associated with nasopharyngeal carcinoma and other EBV-related conditions. Doctors order this test for patients with persistent sore throat, swollen lymph nodes, or suspected EBV reactivation. Results provide valuable insight for diagnosis, cancer risk assessment, and ongoing monitoring.

Varied
Phlebotomist
Also Known As: EBV VCA IgA AB Test, EBV VCA Test, EBV IgA Ab Test, VCA IgA Test

The Epstein-Barr Virus Antibody (EBV) Panel detects antibodies to EBV, including VCA IgM, VCA IgG, and EBNA IgG, to determine current, recent, or past infection. EBV causes infectious mononucleosis and has links to chronic fatigue and certain cancers. Doctors order this test for patients with fever, sore throat, swollen lymph nodes, or fatigue. Results help identify stage of infection, confirm diagnosis, and guide clinical management of EBV-related illness.

Blood
Blood Draw
Also Known As: EBV Antibody Test, EBV Ab Test, EBV Test, EBV Antibody Panel

The Quantitative Epstein-Barr Virus (EBV) DNA Real-Time PCR Test measures the amount of EBV genetic material in blood to monitor viral load. Unlike antibody tests, it directly tracks EBV activity, making it vital for transplant patients, immunocompromised individuals, or those with chronic EBV. Doctors order this test to evaluate risk of complications, guide treatment, and monitor response to therapy by quantifying EBV levels over time.

Blood
Blood Draw
Also Known As: EBV DNA Test, Quantitative EBV PCR Test

The Epstein-Barr Virus (EBV) Early Antigen D IgG Antibody Test detects IgG antibodies to EBV’s early antigen, helping identify recent or reactivated infection. Elevated levels may indicate acute mononucleosis, viral reactivation, or chronic EBV. Doctors order this test when patients present with fatigue, fever, sore throat, or swollen lymph nodes. Results provide key insight into EBV activity, supporting diagnosis, monitoring, and treatment decisions.

Also Known As: EBV Ab to Early Antigen D Test, EA-D IgG Ab Test, EBV EA-D Test

The Epstein-Barr Virus (EBV) Nuclear Antigen (EBNA) IgG Antibody Test detects IgG antibodies that usually appear after acute infection, confirming past exposure or infection recovery. Doctors order this test alongside VCA and EA antibodies to determine the stage of EBV infection. Results help distinguish recent versus past EBV, guide diagnosis of mononucleosis, and support evaluation of chronic fatigue or EBV-related health conditions.

Blood
Blood Draw
Also Known As: EBNA Test, EBNA Ab Test, EBV Nuclear Antigen Antibody Test, EBV NA Ab Test

The Epstein-Barr Virus (EBV) Viral Capsid Antigen (VCA) IgG Antibody Test detects IgG antibodies that appear after EBV infection and usually persist for life. Positive results indicate past exposure or infection with EBV, the virus that causes mononucleosis. Doctors order this test with VCA IgM and EBNA IgG to determine infection stage. Results help confirm prior EBV exposure, support diagnosis, and guide evaluation of EBV-related conditions.

Blood
Blood Draw
Also Known As: EBV VCA IgG AB Test, EBV VCA Test, EBV IgG Ab Test, VCA IgG Test

The Epstein-Barr Virus (EBV) Viral Capsid Antigen (VCA) IgM Antibody Test detects IgM antibodies, which appear early during EBV infection. A positive result usually indicates recent or acute infection, including mononucleosis. Doctors order this test for patients with fever, sore throat, fatigue, or swollen lymph nodes. Results help confirm acute EBV infection, distinguish it from past exposure, and support accurate diagnosis and treatment decisions.

Blood
Blood Draw
Also Known As: EBV VCA IgM AB Test, EBV VCA Test, EBV IgM Ab Test, VCA IgM Test

The Complete Blood Count with Differential and Platelets Test is a comprehensive blood test that checks red blood cells, white blood cells, hemoglobin, hematocrit, and platelets. The differential analyzes types of white blood cells to detect infections, anemia, clotting abnormalities, immune conditions, and certain cancers. This essential test is often ordered for routine health exams, diagnosis, and monitoring treatment progress.

Blood
Blood Draw
Also Known As: CBC Test, CBC with Differential and Platelets Test, CBC w/Diff and Platelets Test, Full Blood Count Test, Complete Blood Count Test

The Cytomegalovirus (CMV) IgG IgM Antibodies Test detects both recent and past infection with CMV, a common herpesvirus. IgM indicates recent or active infection, while IgG shows past exposure and possible immunity. Doctors order this test for pregnant women, immunocompromised patients, or those with unexplained fever or fatigue. Results help diagnose CMV, guide treatment, and assess risk of complications such as congenital infection or organ damage.

Also Known As: CMV Antibodies Test, CMV IgG IgM Antibodies Test, Cytomegalovirus IgG IgM Test

The Cytomegalovirus (CMV) IgG Antibody Test detects IgG antibodies to CMV, indicating past infection or immunity. This blood test helps determine prior exposure, assess immune status in pregnancy, transplant patients, or immunocompromised individuals, and guide risk evaluation. A positive result shows past CMV infection, while results are used with IgM testing to distinguish recent vs. past infection.

Blood
Blood Draw
Also Known As: CMV IgG Antibody Test, Cytomegalovirus IgG Test

The Cytomegalovirus (CMV) IgM Antibody Test detects IgM antibodies, indicating a recent or active CMV infection. This blood test helps diagnose primary CMV, reactivation, or reinfection, especially important for pregnant women, transplant candidates, and immunocompromised patients. Used with CMV IgG testing, it helps distinguish new infections from past exposure for accurate clinical evaluation.

Blood
Blood Draw
Also Known As: CMV IgM Antibody Test, Cytomegalovirus IgM Test

The Hantavirus IgG IgM Antibodies Test with Reflex to Confirmation detects immune response to hantavirus infection. By measuring both IgM for recent infection and IgG for prior exposure, it aids in diagnosing hantavirus pulmonary syndrome (HPS) or hemorrhagic fever with renal syndrome (HFRS). Reflex confirmation ensures specificity, supporting evaluation of viral infection risk, disease progression, and immune status.

Blood
Blood Draw

The Hepatitis A IgM Antibody Test is a qualitative blood test that detects IgM antibodies to the hepatitis A virus (HAV) and reports results as Reactive or Non-Reactive. A reactive result usually indicates a recent or current hepatitis A infection, while a non-reactive result means no active infection. Doctors use this test to confirm acute hepatitis A in patients with symptoms like jaundice, nausea, fatigue, or abdominal pain and to guide timely treatment and prevention.

Blood
Blood Draw
Also Known As: Hep A IgM test, HAV IgM Ab Test

The Hepatitis B Immunity Panel Test evaluates immune status by measuring Hepatitis B surface antibody levels in the blood. A positive result typically indicates immunity from vaccination or past infection, while a negative result suggests susceptibility. This test is important for verifying protection, monitoring vaccine response, or determining if additional vaccination or further evaluation for Hepatitis B exposure is needed.


The Hepatitis B Surface Antibody Qualitative Test detects anti-HBs antibodies to the hepatitis B surface antigen and reports results as Reactive or Non-Reactive. A reactive result indicates past exposure, either from hepatitis B infection or prior vaccination, while a non-reactive result suggests no detectable exposure. Doctors use this test to confirm hepatitis B exposure history, evaluate vaccine response, and guide further preventive or diagnostic decisions.

Blood
Blood Draw
Also Known As: HBsAb Ql Test, Hep B Surface Ab Qualitative Test, HBs Ab Qual Test

The Hepatitis B Surface Antibody Quantitative Test measures the exact level of anti-HBs antibodies in blood to determine past exposure and whether protective immunity has developed from infection or vaccination. A higher antibody level generally indicates adequate immune response, while a low level suggests limited or no protection. Doctors use this test to confirm vaccine effectiveness, assess immune status, and support hepatitis B screening or preventive care.

Blood
Blood Draw
Also Known As: HBsAb Qn Test, Hepatitis B Titer Test

The Hepatitis B Surface Antigen (HBsAg) Test with Reflex to Confirmation screens for hepatitis B surface antigen in blood and, if reactive, automatically performs confirmatory testing. A reactive confirmed result indicates an active hepatitis B infection, while a non-reactive result shows no infection. Doctors use this test to diagnose acute or chronic hepatitis B, investigate abnormal liver tests, and guide treatment, monitoring, and infection control decisions.

Blood
Blood Draw
Also Known As: HBsAg Test, Hep B Surface Ag Test, HBs Antigen Test, Hep B Test

The Hepatitis C Antibody with HCV RNA Quantitative PCR test is a comprehensive diagnostic test used to detect and confirm the presence of the Hepatitis C virus (HCV) in the blood. It combines the initial screening for HCV antibodies with a quantitative polymerase chain reaction (PCR) test to measure the viral load.
Panel Contains Test:  Anti HCV Test, HCV Antibody Test, Hep C Antibody Test

The General Hepatitis Panel Test screens for multiple hepatitis infections in one order. It includes Hepatitis A Antibody Total, Hepatitis B Surface Antibody Qualitative, Hepatitis B Surface Antigen with Reflex to Confirmation, Hepatitis B Core Antibody Total, and Hepatitis C Antibody with Reflex to RNA PCR. Doctors use this panel to detect past exposure, confirm active or chronic infection, guide treatment, and support liver health monitoring.

Also Known As: Hepatitis Panel General

The Herpes Simplex Virus 1 and 2 IgG Type-Specific Antibody HerpeSelect® Test detects IgG antibodies to HSV-1 and HSV-2, distinguishing between the two types. A positive result indicates past exposure, as IgG develops weeks after infection and remains long-term. Doctors use this test to confirm herpes diagnosis, guide treatment, or support sexual health decisions. Results provide vital insight into HSV status, infection history, and long-term immune response.

Blood
Blood Draw
Also Known As: Herpes 1 and 2 Test, Herpes IgG Test

The Heterophile Mono Screen, also called the Monospot Test, detects heterophile antibodies produced during infection with Epstein-Barr virus (EBV), the cause of infectious mononucleosis. Doctors order this test for patients with sore throat, fever, swollen lymph nodes, or fatigue. A positive result suggests mono, while negative results may require additional EBV testing. Results help confirm diagnosis and guide treatment for infectious mononucleosis.

Blood
Blood Draw
Also Known As: Heterophile Antibody Test, Heterophile Qualitative Test

The Rubella IgG IgM Antibodies Test measures antibodies to the rubella virus, helping evaluate immunity or recent infection. IgM indicates an active or recent infection, while IgG confirms past infection or vaccination. Doctors use this test to assess immune status in women of childbearing age, screen during pregnancy, or confirm suspected rubella exposure, as infection can cause serious complications for unborn babies.

Also Known As: Rubella Titer, Rubella Antibodies Test, German Measles Test

The Rubella IgM Antibody Test measures immune response to the rubella virus by identifying IgM antibodies produced soon after exposure. Detection of rubella IgM helps diagnose recent infection, assess rash-related illness, and monitor risk in pregnancy where congenital rubella syndrome may occur. This test provides valuable insight into acute infection, immunity status, and systemic health.

Blood
Blood Draw
Also Known As: German Measles test, 3 Day Measles Test, Three Day Measles Test, Rubella Infection Test

The Rubella Titer Test measures IgG antibodies to determine immunity to rubella (German measles). A positive result indicates protection from prior infection or vaccination, while a negative result suggests susceptibility. Doctors order this test for women planning pregnancy, healthcare workers, students, or travelers. It helps confirm immune status, guide vaccination needs, and protect against congenital rubella syndrome and outbreak risks.

Blood
Blood Draw
Also Known As: Rubella IgG Antibody Test, Rubella Immune Status Test, German Measles Test, 3 Day Measles Test, Three Day Measles Test

No doubt you've heard about mononucleosis before. You've probably heard it called the "kissing disease" when you were young. 

But this kissing disease is much more than that. The Epstein Barr Virus EBV causes it, and it's more common than people realize. Over 95% of adults and 50% of children have had EBV in the US alone.

If you have EBV, you're in the right place and are looking for more information about the Epstein Barr Virus and Epstein Barr virus lab tests.

EBV infects your blood and causes your immune system to react. The Epstein Barr virus lab test can detect this reaction by detecting the antibodies produced. Keep reading to find out all about EBV and blood tests.

What Is the Epstein Barr Virus?

The Epstein Barr Virus EBV is a herpes virus that infects humans. EBV infections are common, and most of the time, you'll never know you had the virus in the first place.

You might automatically associate the Epstein Barr Virus with mononucleosis (mono), but the truth is EBV doesn't always result in infectious mononucleosis. This is because many people can test positive for the EBV virus even when they've never had infectious mononucleosis before.

Risk Factors for Epstein Barr Virus

Risk factors include having close contact with another person's bodily secretions like sexual intercourse and kissing. 

Young children and teenagers sharing toys, toothbrushes, cell phones, or food are also at increased risk.

If you've received an organ transplant or blood transfusion, you have a slight risk of getting EBV from the donor.

Cause of Epstein Barr Virus and Mono

An EBV infection occurs when your B cells become infected with EBV. Once your B cells are infected, the infection travels through your liver, spleen, and lymph nodes.

If your body responds enough to the presence of EBV, you'll develop symptoms of infectious mononucleosis.

How Do You Get EBV

EBV is spread by bodily fluids, mainly saliva, which explains the term kissing disease. You can also get EBV by sharing things like your toothbrush, eating utensils, or a drink. EBV is also spread by blood and semen.

You can infect other people with EBV from the moment you get infected. And you don't need to have symptoms of EBV to pass it on to other people. You're contagious for as long as the virus is active in your body.

Signs and Symptoms of the Epstein Barr Virus

EBV infections are more likely to cause infections in teenagers and adults than in children. When EBV develops into mononucleosis (mono) infection, you'll notice symptoms like:

  • Fevers
  • Extreme fatigue
  • Headache
  • Sore throat
  • Swollen lymph nodes
  • Swollen tonsils
  • Enlarged spleen
  • Rash

Unfortunately, symptoms can be severe and last up to a month. And feelings of fatigue tend to linger on much longer.

EBV Reactivation

Once you get infected with the EBV virus, it remains inactive in your body for the rest of your life. Sometimes the virus can reactivate in your body but cause no symptoms.

However, EBV can reactivate and cause symptoms similar to mono if you have a weakened immune system.

EBV Complications

Usually, your body takes care of EBV with no issues. But sometimes, complications can occur. Complications include:

  • Anemia
  • Low levels of platelets
  • A ruptured spleen
  • Inflammation of the heart muscle

EBV can also cause nervous system conditions like Guillain-Barre syndrome, meningitis, and encephalitis. 

EBV is thought to be linked with certain autoimmune disorders. EBV appears to change how some of our genes are expressed, which sometimes leads to an increased risk of developing an autoimmune disorder. Autoimmune conditions linked to EBV are:

  • Type 1 diabetes
  • Rheumatoid arthritis
  • Multiple sclerosis
  • Celiac disease
  • Graves disease
  • Inflammatory bowel disease
  • Hashimoto's thyroiditis

EBV Cancers

Another vital thing to know about EBV is that it can increase your risk of developing certain types of cancers, including:

  • Hodgkin Lymphoma
  • Burkitt Lymphoma
  • Nasopharyngeal cancer
  • Stomach cancer

Cancers linked to EBV aren't common in North America but still occur. You'll mostly find EBV cancers in Africa and parts of Southeast Asia. It's estimated that EBV contributes to approximately 1.5% of all human cancer cases worldwide.

Scientists are still studying how viral proteins, RNA, and the overall understanding of viruses better understand the link to cancer. Cell mutations from EBV can eventually lead to cancerous changes in your cells.

Epstein Barr Virus Lab Test

A blood test is helpful to distinguish between mono, EBV, or some other illness. Some people may want to get tested because they have a compromised immune system; other people may be looking to explain their symptoms.

Also, if you're pregnant or breastfeeding, it's even more important to understand the cause of the symptoms you're having.

Whatever the case, both mononucleosis tests and an EBV blood test are excellent diagnostic tools.

You'll want to find a comprehensive EBV panel at Ulta Lab Tests. A complete look at your EBV biomarkers will better determine your infection state, whether past or present.

It's important to know there is more than one EBV antibody test. And not all EBV antibody tests will show antibodies to EBV.

How are the tests used?

Epstein-Barr virus (EBV) antibody blood tests are used to assist with diagnosing EBV infection, which is the most common cause of mono (infectious mononucleosis) if an individual is symptomatic, but their mono test is negative.

In pregnant women who have viral illness symptoms, one or several EBV antibody tests might be ordered in addition to tests for toxoplasmosis, cytomegalovirus (CMV), and other infections (that are sometimes part of the TORCH screen) to assist with distinguishing between EBV and other conditions that might result in similar symptoms.

Those tests might be ordered if an asymptomatic individual has been exposed to EBV previously or is susceptible to developing a primary EBV infection. It is not performed routinely but might be ordered when a person, such as an immunocompromised individual or an adolescent, has come into close contact with someone who has mononucleosis. 

It is recommended by the Centers for Disease Control and Prevention (CDC) that several tests be ordered to help determine whether an individual is susceptive to EBV or for detecting a reactivated EBV infection, prior infection, or recent infection.

Those tests include the following:

Standard laboratory tests in this panel include:

First is the EBV-VCA IgG/IgM test (viral capsid antigen VCA). If this is positive, it means you're currently infected, or you've been infected in the past.

A positive EBV-EBNA IgG (nuclear antigen) or an antibody to EBNA means you've had past infections.

A positive EBV-EA-D IgG (early antigen) means you may have an active or reactive EBV infection.

The EBV antibody test or Epstein Barr, EBV Early Antigen test will let you know if your EBV virus is active.

The Monospot Test

heterophile antibody test or a Monospot test is one of the best initial tests to diagnose a mono-infection. Heterophile antibody testing is excellent because heterophile antibodies can be present in the first five days of illness from infectious mononucleosis.

Heterophile antibody tests are quick, inexpensive, and easy to use. A positive heterophile antibody test should be followed with more antibody testing.

Be sure to discuss your test results with your doctor or infectious disease specialist to get the best interpretation and course of action based on your results.

EBV Treatment

EBV doesn't have any specific treatment or even a vaccine. And since a virus causes EBV, antibiotics won't do the trick. Your best course of action in managing symptoms of EBV include:

  • Getting plenty of rest
  • Drinking lots of fluids
  • Taking Tylenol or Advil to relieve pain and fever
  • Avoid heavy lifting
  • Avoid extreme physical activity 

Sometimes doctors might prescribe steroid treatment for severe symptoms like throat and spleen inflammation.

Children with EBV and infectious mononucleosis should stay home from school for at least 2 to 4 weeks or attend half days or until their symptoms of fatigue have improved. Children also need to avoid contact sports for up to a month or until cleared by their doctor. 

Frequently Asked Questions 

Never be afraid to find the answers to your questions. Even though EBV and mononucleosis are common worldwide, many people are unaware of the details.

Chances are, many other people have the same questions you do. Let's take a look at some FAQs now to get you started. 

  • Infectious mononucleosis mainly occurs between 15 and 24 years old
  • False-negative test rates occur almost 25% of the time in the first week 
  • You can be contagious for up to a year after getting EBV
  • You usually don't get mono a second time
  • There is no cure for mono
  • You can have mono and not realize it if you have mild symptoms

More Interesting EBV Facts

Symptoms of mono don't start straight away and often take 4 to 6 weeks to show up after you're exposed. 

College students and people serving in the military are among the most common groups of people to get mono.

Adults are rarely infected with mono because they usually get it as a child. But when adults do get mono, they tend to have less lymph node swelling and throat pain and more liver enlargement, and even jaundice.

The term infectious mononucleosis was coined in 1920 to describe the specific collection of symptoms doctors would often find.

Your EBV Blood Test

Your health is essential, so choose Ulta Lab Tests for your Epstein Barr Virus lab test. Ulta Lab Tests are highly accurate, reliable, and affordable.

The best part is you don't need a referral or insurance coverage. Your results are kept secure and confidential. And you'll typically receive your result in just 24 to 48 hours for most tests.

So take charge of your health today and get tested with Ulta Lab Tests.