From the Ebola to COVID-19, diseases caused by viruses have killed humans throughout history. Viruses are much older than human beings, possibly even older than the first cellular life. More than 600 ...

You called in sick yesterday because you thought you had the flu, but today you feel even worse. You have heavy bleeding and delirium because you’ve got one of the world’s most deadly viruses. What ...

France reported two cases from Arabian Peninsula travelers - the nation's first infections since 2013 with a virus that has a ...