Eric Walker added Traces of polio virus found in London sewage as health officials declare national incident | UK News | Sky News to London and Polio

Eric Walker added This polio survivor is one of the last still using an iron lung ventilator : NPR to Polio

Eric Walker added The Last Time a Vaccine Saved America | The New Yorker to a number of topics

Eric Walker added Polio - Wikipedia to Polio

Eric Walker added Vaccine-derived polio spreads in Africa after defeat of wild virus | Global development | The Guardian to Polio

Eric Walker added a number of links to Polio, and added Polio to Neurological diseases and disorders, Poliovirus and Infectious disease (ID)

Eric Walker added Polio and Polio vaccines and New York declares state of emergency over polio - BBC News and Poliovirus - Wikipedia to Poliovirus, and added Poliovirus to Enterovirus C

Eric Walker added a number of topics and a number of links to Neurological diseases and disorders, and added Neurological diseases and disorders to Sickness, ailments, disease and diseases and Neuroscience, neurology and the nervous system

Eric Walker added a number of topics and a number of links to Infectious disease (ID), and added Infectious disease (ID) to Sickness, ailments, disease and diseases