Major Vaccine Suspended Due to Contamination with Pig Virus

U.S. federal health authorities recommended that doctors suspend using Rotarix, one of two vaccines licensed in the U.S. against rotavirus, saying the vaccine is contaminated with material from a pig virus. About 1 million children in the United States and about 30 million worldwide have gotten Rotarix vaccine.

Rotarix, made by GlaxoSmithKline, was approved by the FDA in 2008. The contaminant material is DNA from porcine circovirus 1.

The FDA learned about the contamination after an academic research team using a novel technique to look for viruses in a range of vaccines found the material in GlaxoSmithKline's product and told the company.

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