As the U.S. faces down the COVID-19 Delta variant – now fast-becoming the nation's dominant strain – reports of a new Lambda variant that first emerged in Peru in August 2020 are gaining the attention ...

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 ...

A new University of California San Diego study published in Cell challenges a long-standing assumption about how animal ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

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 ...

There is an ongoing debate as to whether or not viruses are considered to be a life form. The question remains unanswered as the identity of viruses as a living form is dependent on arbitrary measures ...