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 ...

The West Nile virus has been detected in a mosquito sample near Mount Sharon Cemetery in Springfield Township, Delaware ...

(WJET/WFXP)– The Erie County Department of Health has confirmed they’ve collected the first sample that tested positive for ...

Some viruses that make us sick are cleared by the immune system within days, while others lurk in our bodies for a lifetime and reemerge later to cause new problems. How and why viral levels in the ...

People with PAH have less diversity among the viruses that infect bacteria in the digestive tract, according to a study.

Besides serving as food for certain microbes, viruses perform some helpful functions that remain poorly understood. A ciliate, a type of single-celled microbe, swims next to Sphagnum moss, amplified ...