Live virus vaccines use a weakened virus to help your body fight the real disease. Some people, like those who are very sick or pregnant, should not get live virus vaccines. A live virus vaccine ...

Scientists discover new viruses every year. A catalogue of the riskiest ones could help us spot the next pandemic before it ...

Viruses are ancient. They have been infecting animals, our ancestors included, for hundreds of millions of years before the first humans ever showed up. And the legacy of those primordial infections ...

New research has uncovered a social world of viruses full of cheating, cooperation and other intrigues, suggesting that viruses make sense only as members of a community. Ever since viruses came to ...