The virus that causes COVID-19 is accumulating genetic mutations, one of which may have made it more contagious. The number of virus strains present in each zip code in Houston during the second wave ...

A tiny genetic mutation in the SARS coronavirus 2 variant circulating throughout Europe and the United States significantly increases the virus’ ability to infect cells, lab experiments performed at ...

As the COVID-19 pandemic progresses, researchers say it is important to track how the coronavirus mutates because it could affect the efficacy of a vaccine. Like all living cells, viruses evolve their ...

A worldwide study of the coronavirus released in the journal Cell indicates that the dominant strand of COVID-19 is causing the virus to spread faster. But the study’s authors said that even though ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...