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 ...

The death toll and economic damage associated with flu highlight its role as one of the most harmful viruses in history.

Oct 31 (Reuters) - Tiny viruses that only infect and kill bacteria can help treat deadly antibiotic-resistant bloodstream infections with Staphylococcus aureus, results from a mid-stage trial suggest.