A Polio Outbreak In Pakistan Reveals Gaps In Vaccination

The appearance of an unusual type of poliovirus in Pakistan exposed gaps in vaccination campaigns. When a community isn’t well immunized against polio, the weakened virus used in the oral vaccine can mutate and then infect unvaccinated people.» E-Mail This » Add to Del.icio.us

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A Polio Outbreak In Pakistan Reveals Gaps In Vaccination