Pfizer and BioNTech have asked the Food and Drug Administration for emergency use authorization of their COVID-19 booster targeting omicron subvariants BA.4 and BA.5 and the original strain of the ...

Since SARS-CoV-2 first emerged in late 2019 the virus has spawned dozens of lineages, a handful of global "variants of concern" that changed the course of the pandemic.

According to the authors, vaccine effectiveness against infection reached 44.7% (95% confidence interval [CI], 37.7% to 50.9% ...

Largely ignored by governments and trade unions, the SARS-CoV-2 XFG variant has, in a short time, become the dominant variant ...

An omicron subvariant is once again demonstrating immune-dodging abilities, posing a threat to both vaccinated and previously infected individuals. A report published Wednesday in the New England ...

The currently dominant COVID-19 variant in Germany has been referred to as the 'Frankenstein' variant. Here's why. View on ...

Alright, Tahoe people! Remember back in spring 2022 when I, your local health journalist and intuitive, had that hunch that ...

Businesses are dealing with staffing issues, higher costs and fewer customers. Small businesses around the country are feeling the impact of the surge in new COVID-19 cases, primarily driven by the ...

New data reveal an unexpected risk factor for the highly contagious Omicron virus: low levels of vitamin D. Source: Fernando Zhiminicela / Pixabay A recent study by Israeli scientists found “striking” ...