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

The cohort-grouping method is problematic: the highly transmissible delta variant (B.1.617.2) became predominant in the United States over an 8-week period from May through June 2021. 1,2 ...

Due to the ongoing coronavirus pandemic, and the Delta variant in particular, grocery stores like Walmart are having problems stocking certain items. This is due to a number of varying reasons.

The Delta variant is contributing to a rapid rise in Covid cases in parts of Asia causing a severe strain on health infrastructure in some countries. Vaccinations rates are relatively low in many ...

It has been named Omicron by the World Health Organization, following the pattern of Greek code-names like the Alpha and Delta variants. Omicron has such a long list of mutations that it was ...

How do variants work? At first ... heart palpitations; sexual problems; loss of smell or taste; thirst; chronic cough; chest pain; worsening symptoms after activity and abnormal movements.

With Alpha, Delta, Omicron, and more iterations, it’s normal to wonder how many COVID variants are there? Ahead, experts explain the evolution of COVID-19, and the latest variants of concern.

COVID-19 survivors may develop autoimmune conditions long-term, with risks varying by severity and vaccination status, ...