Delta deadliest among COVID-19 variants, say CCMB scientists. Five different SARS-CoV-2 variants were chosen and scientists ...

The delta variant is fueling the COVID-19 surge in the United States, but experts warn that a more dangerous variant could emerge if more Americans don't get vaccinated. Delta is the most recent of ...

Moderna on Tuesday released preliminary data indicating its vaccine is likely to hold up against several variants of concern, including the Delta variant, which is predicted to become the dominant ...

Figure illustrates the overall symptomatology of Long COVID (panel A), and the shifting prevalence of Long COVID symptoms across SARS-CoV-2 variants, including Wild-type, Alpha, Delta, and Omicron ...

One thing we know for sure about SARS-CoV-2, the virus that causes COVID-19, is that it keeps changing. Since the start of the pandemic, we have seen several notable variants, including Alpha, Beta, ...

President Biden on Tuesday pleaded with Americans to get vaccinated against COVID-19 as the White House signaled a shift toward grassroots tactics to reach those who have yet to get a shot. Biden, who ...

Public health officials are taking a close look at another emerging COVID variant called "mu" that the World Health Organization recently suggested may be resistant to vaccines. Mu follows on the ...

Missouri is requesting help from new COVID-19 federal response teams as the Delta variant continues to spread, with surging case numbers and hospitalizations throughout the state. Department of Health ...