Published in Blood Weekly, November 4th, 2004
In 2000, U.S. policy-makers recommended that doctors use only shots containing inactivated polio virus. They reached that conclusion after receiving evidence that the oral vaccine containing live polio virus might have actually caused cases of the disease in rare instances.
The strategy seems to have worked: Government data from 1990 to 2003 show that the last case of vaccine-related polio occurred in 1999, researchers from the Centers for Disease Control and Prevention...
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