Tapiwa ChirumeSTAFF WRITERchirumet@dailynews.co.zw GOVERNMENT, with the support of the World Health Organisation (WHO) and the Gates Foundation, has established an environmental surveillance unit at the National Polio Laboratory. The surveillance unit will strengthen the country’s capacity to detect and respond to poliovirus. Polio is a highly contagious disease that affects the nervous system and it…
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