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. 2014 Jul 11;63(27):591-4.

Interim CDC guidance for polio vaccination for travel to and from countries affected by wild poliovirus

Gregory S Wallace, Jane F Seward, Mark A Pallansch; Centers for Disease Control and Prevention

Interim CDC guidance for polio vaccination for travel to and from countries affected by wild poliovirus

Gregory S Wallace et al. MMWR Morb Mortal Wkly Rep. .

Abstract

In the prevaccine era, infection with wild poliovirus (WPV) was common worldwide, with seasonal peaks and epidemics in the summer and fall in temperate areas. The incidence of poliomyelitis in the United States declined rapidly after the licensure of inactivated polio vaccine (IPV) in 1955 and live oral polio vaccine (OPV) in the 1960s. The last cases of indigenously acquired WPV in the United States occurred in 1979, the last WPV case in a U.S. resident traveling abroad occurred in 1986, and the last WPV imported case was in 1993. Since 2000, the United States has exclusively used IPV, resulting in prevention of 8-10 vaccine-associated paralytic poliomyelitis cases annually. In 2005, an unvaccinated U.S. adult traveling abroad acquired vaccine-associated paralytic poliomyelitis after contact with an infant recently vaccinated with OPV.

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Figures

FIGURE
FIGURE
Countries identified by the World Health Organization as exporting wild poliovirus and those currently wild poliovirus–infected — worldwide, 2014* * As of June 30, 2014.
See this image and copyright information in PMC

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