Wednesday, September 10, 2003
Polio Vaccine Might Have Carried Virus: "WASHINGTON -- Some of the polio vaccine given to millions of American children from 1962 until 2000 could have been contaminated with a monkey virus that shows up in some cancers, according to documents and testimony to be delivered to a House committee Wednesday. The vaccine manufacturer said such claims 'don't have any validity,' and the Centers for Disease Control and Prevention agrees.
Some batches of the first polio vaccine used from 1955 until 1962 were contaminated with the monkey virus. The virus has also been found in some cancer in humans, although it has not been determined that the virus caused the cancer. Between 10 and 30 million Americans may have received a contaminated dose of that vaccine, according to the Centers for Disease Control and Prevention. "
Some batches of the first polio vaccine used from 1955 until 1962 were contaminated with the monkey virus. The virus has also been found in some cancer in humans, although it has not been determined that the virus caused the cancer. Between 10 and 30 million Americans may have received a contaminated dose of that vaccine, according to the Centers for Disease Control and Prevention. "
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