wild polio virus

4 articles
Wild Poliovirus Type 1 Found in Brazil Sewage Samples – What Does It Mean?
Jun 24, 2014 | Alexandra Thomsen

Environmental samples from Campinas, São Paolo have tested positive for wild poliovirus type 1 (WPV1), though the country has not reported any polio...

WHO Investigates Possible Polio Case in Somalia
May 13, 2013 | Sumiko Mekaru

On Sunday, May 11, the World Health Organization reported the investigation of a possible wild poliovirus type 1 (WPV1) case in Somalia's Banadir...

Polio: Outbreaks and Emergency Plans
Jun 14, 2012 | Robyn Correll Carlyle

  Yet another case of type-1 poliovirus has surfaced in Pakistan’s Khyber Agency, the only tribal district in Asia where both type-1 and type-3...

Imported Poliovirus Leaves 1 Dead in Xinjiang, China
Sep 9, 2011 | Glory Song

  On August 31st, we reported that four children were diagnosed with polio in Xinjiang, China, a country that had been polio-free for eleven years....