In Mizoram four cases of Delta variant (B.1.617.2) of Covid-19 were reported. A senior official in Mizoram who did not want ...

The World Health Organization and the Centers for Disease Control and Prevention have both designated beta as a “variant of ...

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 ...

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, ...

Prior COVID-19 vaccination did not stop the immune system from mounting a protective response to the delta and omicron strains, though new mutation-specific antibody production dipped slightly, ...

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 ...

In the article by Xie et al. (Aug. 8 issue) 1 regarding postacute sequelae of SARS-CoV-2 infection (PASC) in the pre-delta, delta, and omicron eras, the authors note that 71.89% of the decrease in ...