Routine Kids' Vaccine Recalled

Routine Kids' Vaccine Recalled
The Nemours Foundation

You may not have known exactly what it does when your little one was getting it, but the Hib vaccine protects kids against Haemophilus influenzae type b (Hib) bacteria — once the leading cause of meningitis in children and a common culprit in a host of other serious diseases. But now, one of the two makers of this routine immunization for infants and toddlers is recalling about 1 million doses of the vaccine, putting the recommended immunization in short supply.

As a precaution, pharmaceutical company Merck has voluntarily pulled some of their Hib vaccines (called PedvaxHIB and COMVAX, a combination vaccine providing protection against Hib and hepatitis B). However, the recalled vaccines, which were shipped after April 2007, pose no health threat and there have been no reports of any adverse symptoms related to the recalled immunization, according to the Centers for Disease Control and Prevention (CDC).

Merck decided to recall the vaccine when the company discovered an equipment issue that could potentially cause microorganisms to survive a step in the sterilization process. However, the company hasn't actually found any contaminated vaccines, according to the U.S. Food and Drug Administration (FDA). But Merck pulled some of the vaccines, just to be on the safe side.

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