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Polio
Research from J.P. Alexander and co-authors in the area of polio published
February 25th, 2009
"Oral poliovirus vaccine (OPV) has not been used in the United States since 2000. Type 1 vaccine-derived poliovirus (VDPV) was identified in September 2005, from an unvaccinated Amish infant hospitalized in Minnesota with severe combined immunodeficiency," scientists in the United States report. "An investigation was conducted to determine the source of the virus and its means of transmission. The infant was tested serially for poliovirus excretion. Investigations were conducted to detect poliovirus infections or paralytic poliomyelitis in Amish communities in Minnesota, neighboring states, and Ontario, Canada. Genomic sequences of poliovirus isolates were determined...
Source: Vaccine Weekly (2009-02-25)
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