Counties in the Lower Hudson Valley are trying to encourage COVID vaccinations for those hesitate to take one through ...

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 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 ...

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 ...

The delta coronavirus variant surging across the United States appears to cause more severe illness and spread as easily as chickenpox, according to an internal document from the US Centers for ...

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

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, ...

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, ...

Integrating case counts with genomic sequences quantifies real-time transmission advantages of viral variants.