Diseases, Conditions, Syndromes

First case of dengue spread by sex confirmed in Spain

Spanish health authorities confirmed Friday a case of a man spreading dengue through sex, a world first for a virus which until recently was thought to be transmitted only by mosquitos.

Vaccination

Inoculating against the spread of viral misinformation

In a year that has seen the largest measles outbreak in the US in more than two decades, the role of social media in giving a platform to unscientific anti-vaccine messages and organizations has become a flashpoint.

Diseases, Conditions, Syndromes

Pneumonia epidemic is deadliest child killer: aid groups

Pneumonia is the world's deadliest child killer, with a "forgotten epidemic" claiming one young life every 39 seconds, international health and children's agencies warned Tuesday.