Virology USMLE Step 1 Practice Question
A 38-year-old woman with chronic hepatitis B (HBsAg positive, HBV DNA 2.5 × 10⁶ IU/mL) is started on a cytokine to enhance antiviral immunity. Three weeks later, she presents with fatigue, depressed mood, myalgias, and anhedonia. Vital signs show BP 118/76, HR 88, RR 16, temperature 37.2°C, and SpO2 98%. She denies suicidal ideation. Which cytokine was most likely administered?
Answer choices
- AIL 2
- BIFN alphaCorrect answer
- CTNF beta
- DIL 5
- ETGF beta
- FIFN gamma
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