Nigeria Causing Vaccine-Derived Poliovirus Spread to Neighbouring Countries – WHO

The World Health Organisation has expressed concerns over the possible outbreak of the vaccine-derived poliovirus, also known as CVDPV2, and is also concerned about the poor quality of supplementary immunisation activities conducted to date and routine immunisation, and urged the … Continue reading Nigeria Causing Vaccine-Derived Poliovirus Spread to Neighbouring Countries – WHO