An 8-month-old female infant is admitted to the emergency department in respiratory distress on Christmas Eve. A nasopharyngeal aspirate is obtained and sent to the laboratory on ice for analy-sis. The most probable organism that would be isolated is:

a. varicella-zoster virus.
b. respiratory syncytial virus (RSV).
c. rotavirus.
d. coxsackievirus.


B
RSV occurs annually in the late fall through the early spring; nosocomial transmission can readily occur. The virus is primarily found in infants and children. In infants, bronchiolitis, pneumonia, and croup are observed. In children, upper respiratory symptoms occur.

Biology & Microbiology

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