A 12-month-old is here today to receive the varicella immunization. A patient's mother reports that her 12-month-old child was exposed to chickenpox about a week ago. The NP should recommend that he:
A. Be given the vaccine
B. Wait 4 weeks to receive the vaccine
C. Not receive varicella today b/c he is not old enough
D. Receive MMR only today, not varicella
