The Pivotal Decision That Led to a Resurgence of Polio – The New York Times

The Pivotal Decision That Led to a Resurgence of Polio  The New York TimesWasn’t polio wiped out? Why it is still a problem in some countries  NBC Washington139th Confirmation of Polio Remains a Global Risk  Precision VaccinationsPolio Travel Advisory Issued for 37 Countries  Precision Vaccinations