Polio
Western Pacific

In September 2019, the Department of Health of the Philippines declared a polio outbreak in the country after a single case in a 3-year-old girl. In December 2019, acute poliomyelitis was confirmed in an infant in Sabah state, Borneo, Malaysia. Subsequently, a further three polio cases were reported, with the last case reported in January 2020. Both outbreaks were found to be linked instances of vaccine-derived poliomyelitis.
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