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Tag: infection screening

September 22, 2026

Tests Before Biologics for Rheumatoid Arthritis (RA): TB and Hepatitis Screening

How tuberculosis and hepatitis results inform treatment planning and follow-up before selected rheumatoid arthritis therapies.

Before certain rheumatoid arthritis treatments begin, infection screening helps the care team plan safer treatment. Someone can feel well and still have evidence of a past infection that matters when the immune system is altered. […]

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August 11, 2026

Infectious Disease Testing: Antibody, Antigen, PCR, NAAT, Immunity Titers, and STI Tests

How Antibody, Antigen, PCR, NAAT, Culture, and Titer Tests Differ—and Why Timing, Vaccination, and Specimen Choice Matter

Infectious disease testing is not one universal blood test. The right choice depends on the suspected organism, exposure date, symptoms, body site, vaccination history, and whether the goal is screening, diagnosing a current infection, confirming […]

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