VMC-0012
QUESTION
P.P.R. virus has got maximum affinity to?
OPTIONS
(A) Lymphoid tissues
(B) Respiratory cell
(C) Hepatic cells
(D) Renal cells
ANSWER
(A) Lymphoid tissues
EXPLANATION
PPR virus shows a marked tropism for lymphoid tissues, where early viral replication produces lymphoid depletion and immunosuppression, followed by lesions in respiratory and gastrointestinal tissues. Hence option A is correct; respiratory, hepatic, and renal cells are not the principal site of viral affinity.
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