Polioviruses


  • WHO Issues Statement on the International Spread of Wild Poliovirus
    On May 5, 2014 the director-general, Dr. Margaret Chan, declared the international spread of wild poliovirus in 2014 a Public Health Emergency of International Concern (PHEIC) under the International Health Regulations [IHR 2005], issued Temporary Recommendations to reduce ...More
    2 weeks ago Posted in News
  • A Polio-Free U.S. Thanks to Vaccine Efforts
    Thanks to effective vaccine, the United States has been polio-free since 1979. But poliovirus is still a threat in some countries. Be part of the success story and get your child vaccinated on schedule. Polio, or poliomyelitis, is an infectious viral disease that can strike ...More
    5 weeks ago Posted in News
  • WHO Issues Update on Polio in Equatorial Guinea
    As of July 16, 2014, Equatorial Guinea has reported a total of 5 wild poliovirus type 1 (WPV1) cases, with onset of paralysis between 28 January 2014 (first case) and 3 May 2014 (most recent case). Genetic sequencing indicated that the cases are linked to the ongoing ...More
    July 17, 2014 Posted in News
  • WHO Issues Update on Polio in Central Africa
    On March 17, 2014, the World Health Organization (WHO) elevated the risk assessment of international spread of polio from central Africa, particularly Cameroon, to very high. A new exportation event from Equatorial Guinea demonstrates that the risk of international spread ...More
    June 25, 2014 Posted in News
  • Brazil Reports Detection of Poliovirus in Sewage
    On June 18, 2014, the National IHR Focal Point for Brazil reported the isolation of wild poliovirus type 1 (WPV1) from sewage samples collected in March 2014 at Viracopos International Airport, in Campinas municipality in the State of São Paulo, Brazil. Virus has ...More
    June 23, 2014 Posted in News
  • WHO Convenes Emergency Committee About International Spread of Wild Poliovirus
    The Emergency Committee of the World Health Organization (WHO) was convened by director-general Margaret Chan under the International Health Regulations (2005) April 28-29, 2014 to discuss the international spread of wild polioviruses. Members of the Emergency Committee and ...More
    May 5, 2014 Posted in News
  • WHO Southeast Asia Region is Certified as Polio-Free
    The World Health Organization (WHO)'s Southeast Asia Region, home to one-quarter of the world’s population, was certified polio-free today by an independent commission under the WHO certification process. This is the fourth of six WHO Regions to be certified, marking ...More
    March 27, 2014 Posted in News
  • WHO Issues Update on Polio Outbreak in the Middle East
    According to the World Health Organization (WHO), polio outbreak response in the Middle East is continuing to attempt to stop an outbreak affecting the region. As of March 20, 2014, in the Syrian Arab Republic a total of 37 WPV1 cases have been reported: 25 cases ...More
    March 25, 2014 Posted in News
  • WHO Issues Update on Poliovirus in Cameroon
    In Cameroon, three additional wild poliovirus type 1 (WPV1) cases have been reported with onset of paralysis on Jan. 6, Jan. 25 and Jan. 31, 2014 from three new regions (North West, Adamaoua, and Centre) confirming continued WPV transmission and geographic expansion of ...More
    March 17, 2014 Posted in News
  • Polio is No Longer Endemic in India
    Wild poliovirus has not been found in India since Jan. 13, 2011 meaning that, from that date, India is no longer a country where polio is endemic. Three years of being polio free is a notable milestone for the country as a whole, but the success of the immunization and ...More
    January 13, 2014 Posted in News
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