Stacker consulted research from Yale Medical School and the World Health Organization to find how SARS-CoV-2 has evolved ...

Alpha first emerged in November 2020 and became the dominant variant in the U.S. until the Delta variant arrived ... expected ...

The suggested measures reflect the experts’ belief that Japan needs different policies ... Although the Omicron variant is more contagious than other strains, including the Delta variant ...

The data cover from September 6, 2021, to March 10, 2022, and were divided into two periods, from September 6, 2021, to December 14, 2021, when the Delta variant was dominant in Brazil ...

Medically reviewed by Kate Colby, MPH If you have COVID-19, you may be wondering how long your illness will last. Your ...

The reason that at-home COVID tests display lines that look so different ... a test to detect the virus also depends on the type of test you use, as well as the COVID-19 variant.

Thus far the virus ... Delta variants and has a different evolutionary pathway. Does infection with B.1.1.529 result in similar symptoms as with other variants? Currently no unusual symptoms have been ...

There are four pneumococcal vaccines available in the United States, including three pneumococcal conjugate vaccines (PCV15, PCV20, and PCV21), which cover different serotypes ... not clear if he was ...

Researchers at Kumamoto University have made a significant breakthrough in the fight against COVID-19 with the development of ...

The newest Covid variant XEC now accounts for one in five infections amid signs that the spread of the virus is on the rise as winter bites. There is no evidence XEC causes more severe disease but ...