GlaxoSmithKline's Rotarix rotavirus vaccine contains DNA from an apparently harmless pig virus, the company and the FDA today announced.
The FDA estimates that 1 million U.S. kids have received the Rotarix vaccine.
The contamination was discovered by researchers developing a new technique for detecting viral material. GlaxoSmithKline confirmed that the pig virus, porcine circovirus type 1 or PCV-1, has been in the vaccine since it was developed. Read more…
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