Measles Surges Across Americas

WashingtonThe Americas lost their measles-free status, declared in 2016.

Cases have hit a record as the disease spreads again across the region.

Herd immunity needs about 95% vaccine coverage, a threshold falling rates no longer meet in several countries.

Health officials are urging vaccination drives before travel from the World Cup seeds further outbreaks.

Sources: SciDev.Net