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Fractional dose compared with standard dose inactivated poliovirus vaccine in children: a systematic review and meta-analysis - The Lancet Infectious Diseases
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Gavi, the Vaccine Alliance on Twitter: "Great news! Every country in the world – including all 73 Gavi-supported countries – have introduced inactivated polio vaccine (IPV). https://t.co/VaIFs5nV6L #EndPolio #IPV https://t.co/1JHXMucgcC" / Twitter
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