The World Health Organization confirmed on Wednesday the first-ever fatal case of a subtype of bird flu in Mexico. It is the ...
Europe saw the highest number of measles cases last year in more than 25 years, according to a new report published Thursday by the WHO and UNICEF.
An unvaccinated New Mexico adult who tested positive for measles has died, the second death in a growing outbreak centered along the Texas-New Mexico border, officials said Thursday.