Hib booster dose should be deferred until vaccine shortage is over

According to interim recommendations from the CDC on the recent recall of Haemophilus influenzae Type b (Hib)-containing vaccines, PedvaxHIB and Comvax, providers should temporarily defer administering the routine booster that is usually administered at age 12 to 15 months—except for children in high-risk groups. Providers should also track children for whom the booster dose is deferred in order to complete the immunization series when adequate vaccine supply returns. The CDC informed providers to return unused vaccine from the recalled lots according to procedures outlined on the Merck Web site (