Most common preceding infection in bone marrow failure syndromes

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MOST COMMON PRECEDING INFECTION IN BONE MARROW FAILURE SYNDROMES – MEDICINE MCQ

Which is the most common preceding infection in bone marrow failure syndromes?
A. Parvo B19
B. EBV
C. HIV
D. Hepatitis

Correct Answer : D. Hepatitis

Aplastic-Anemia

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, 19 th edition, page 664