poliovirus

  • Wild Poliovirus: Horn of Africa

    The World Heath Organization has reported an ongoing investigation into a wild poliovirus type 1 (WPV1)in the Horn of Africa.  Current cases include a 4 month old child in Kenya who developed symptoms on April 30th, 2013; two cases who were in contact with the child  also tested positive for WPV1.  These are the first…