The Delta variant, also referred to as a "double mutant" because it carries two mutations, is 55 per cent more transmissible ...
LONDON - As the highly contagious delta variant continues to spread, a new, British study shows COVID-19 vaccines are effective against the delta variant, but that their protection decreases over time ...
Oregon could see a spike in hospitalizations from COVID-19 omicron variant infections that is more than twice as high as the ...
Moderna on Tuesday released preliminary data indicating its vaccine is likely to hold up against several variants of concern, including the Delta variant. Moderna on Tuesday released preliminary data ...
The more the virus spreads, the more it has "ample opportunity" to mutate, Dr. Anthony Fauci told anchor "GMA" George Stephanopoulos Thursday. The delta variant is fueling the COVID-19 surge in the ...
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, ...