Officials at the Food and Drug Administration advised physicians Monday to temporarily stop using Rotarix, a vaccine commonly given to children to protect them against the stomach bug rotavirus, because it is contaminated with traces of a second virus.

The contaminant, called PCV-1, is a DNA virus that infects pigs and other species but is not known to cause illness in humans or any other animals. The virus appears to have come from the cell cultures used to make Rotarix.

“There is no evidence this poses a safety risk,” Margaret A. Hamburg, FDA commissioner, told reporters in a telephone briefing.  read more
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