The most ferocious predator for us humans is actually quite small: the mosquito. They are hungry for blood, spreading ...

A team at Portland State University is leading research on a new drug showing promise to treat one of the deadliest diseases ...

The types of Ebola and hantavirus worrying officials are very different from the species identified decades ago, raising new ...

Half a century ago, researchers and policymakers joined together to identify an unknown disease and bring it under control. That first Ebola outbreak took 280 lives from 318 cases in what is now the ...

Andes hantavirus causes deadly lung failure, but its method of attack differs from other respiratory illnesses. The details ...

The sneaky virus poses serious health threats if it goes on to become a chronic disease. Clinical trial results suggest a new drug may cure 1 in 5 of those cases.

Few creatures inspire as much universal dislike as ticks. Though small, these parasites have an enormous impact on human and animal health. Each year, ticks spread viruses and bacteria that infect ...

Leishmania are microscopic parasites spread by infected sand flies that cause leishmaniasis, a group of diseases ranging from skin ulcers to life-threatening infections of internal organs. Credit: ...