Which of the following statements is false regarding RSV?
A. RSV infects infants aged 6 months and younger; it is unlikely that a 4-year-old would develop a respiratory disease as a result of this virus.
B. While RSV is most prevalent in infants 6 months of age and younger, the highest mortality rate is in those children with underlying risk factors such as prematurity.
C. Infants aged 6 months and younger are the most susceptible to infection by RSV; however, adults and older children can also become infected with this virus.
D. Although RSV is most prevalent in infants aged 6 months and younger, usually by age 2 most children have been exposed to this virus.
Answer: A
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