Nigerian health bosses hope to vaccinate 70% of the population by the end of next year

NIGERIA'S National Primary Healthcare Development Agency (NPHCDA) has set itself an ambitious target of vaccinating 40% of the country's  200m people before the end of 2021 and as many as 70% by the end of 2022.   Hard hit by having to rely in vaccine imports, Nigeria is one of those countries struggling to achieve widespread...