Medically reviewed by David Snyder, PharmD Key Takeaways 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 ...

Some viruses, like the common cold, are a flash in the pan. They infect us, our bodies fight back — which is what makes us sick — and then they’re gone, until the next variant rolls along. Other ...

The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead A computer virus is a type of program that, much like a regular virus, ...

A new University of California San Diego study published in Cell challenges a long-standing assumption about how animal viruses become capable of sparking human epidemics and pandemics. Using a ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

In recent years, we’ve heard a lot about the health risks of viruses and how they may negatively impact the brain. This amplifies the existing theme of viruses being described as germs or ...

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 ...

Using genomics, evolutionary biologists test several hypotheses on the origin of viruses. New evidence suggests they may have emerged more times than previously thought. Corroborating the virus-first ...