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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Where will the next pandemic come from? One expert says his "bet is on viruses." (Getty Images/Science Photo Libra) (Getty ...

The Human Virome Program will analyze samples from thousands of volunteers in an effort to understand how viruses affect health. By Carl Zimmer The viruses we know best are the ones that make us sick ...

The original version of this story appeared in Quanta Magazine. Ever since viruses came to light in the late 1800s, scientists have set them apart from the rest of life. Viruses were far smaller than ...

Influenza viruses are among the most likely triggers of future pandemics. A research team has developed a method that can be used to study the interaction of viruses with host cells in unprecedented ...

In a quiet freshwater pond in Ibaraki Prefecture near Tokyo, researchers have pulled from the water a microscopic giant that is forcing biologists to rethink how complex life began. The newly ...

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 ...