Polio in England

Return of Polio to England after 18 years free UK, case of wild polio, 1984 UK was declared polio-free in 2003 UK, national incident declared https://www.gov.uk/government/news/poliovirus-detected-in-sewage-from-north-and-east-london Detected, sewage samples in London Past four months, polio virus, Beckton sewage works, four million in north and east London Cluster of genetically-linked samples The virus has evolve Now classified as a ‘vaccine-derived’ poliovirus type 2 (VDPV2) Someone recently vaccinated overseas, live virus (Albert Sabin, 1961) Not used in UK since 2004 https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/148141/Green-Book-Chapter-26-Polio-updated-18-January-2013.pdf Not used in United States since 1987 https://www.cdc.gov/vaccines/vpd/polio/public/index.html UK vaccination for polio Inactivated polio vaccine, IPV, (Jonas Salk, 1955) Take-up of the first three doses, London, 86% Rest of UK over 92% Vaccine-derived polio Nigeria, poliomyelitis, 2005 and 2006 from several countries, (that have previously been polio-free) As opposed to wild form Can be transmitted, can mutate No cases have been detected Health Secretary Sajid Javid not particularly worried NHS in London Contacting unvaccinated under 5s CDC https://www.cdc.gov/vaccines/vpd/polio/public/index.html Inactivated polio vaccine (IPV) Only polio vaccine given in the United States since 2000 Oral polio vaccine (OPV) is used in other countries US Schedule 2 months old 4 months old 6 through 18 months old 4 through 6 years old Adults at increased risk of exposure to poliovirus One IPV booster for life IPV is as effective as OPV for preventing polio Two doses of IPV provides 90% immunity to all three types of poliovirus 3 doses provides at least 99% immunity Learn more about your ad choices. Visit megaphone.fm/adchoices