UK confirms first vaccine-derived poliovirus in 38 years - Guardian Nigeria

Global Polio Laboratory Network (GPLN) of the World Health Organisation (WHO) and British health authorities have confirmed first vaccine-derived poliovirus in London, United Kingdom since 1984.

Labels situation national incident, urges immunisation as WHO preaches surveillance Global Polio Laboratory Network (GPLN) of the World Health Organisation (WHO) and British health authorities have… [+4367 chars]

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