Which is the most common preceding infection in bone marrow failure syndromes?
Parvo B19
EBV
HIV
Hepatitis
Most common infection preceding bone marrow failure syndrome is hepatitis. It is usually sero negative ( non-A, non- B, non - C ). It accounts for 5% of etiologies. Parvo virus can cause pure red cell aplasia, but it doesn't usually cause generalised bone marrow failure. Ref: Harrison's principles of internal medicine, 21st edition, page 664
All India exam