Officials with the World Health Organization are alerting the public to a potential revival of epidemic proportions. New reports show the chikungunya virus is spreading outside of its typical ...

The World Health Organization issued an urgent call for action on Tuesday to prevent a repeat of an epidemic of the mosquito-borne chikungunya virus that swept the globe two decades ago, as new ...

GENEVA, July 22 (Reuters) - The World Health Organization issued an urgent call for action on Tuesday to prevent a repeat of an epidemic of the mosquito-borne chikungunya virus that swept the globe ...