Polio in Nigeria August 16, 2016 Polio returns to Nigeria after two years – but it turns out it had never gone away. Categories: Virus Watch #IPV#Nigeria#OPV#paralysis#poliomyelitis#poliovirus#vaccine#viral#virology#virus#viruses Leave a Reply Cancel ReplyYour email address will not be published. Required fields are marked *CommentName * Email * URL Save my name, email, and website in this browser for the next time I comment. Δ