Extra Life Charity Drive on November 8, 2025. Tune in for live games, exclusive donation rewards, and support UC Davis ...

When the world first heard the word "coronavirus" in late 2019, few imagined that the virus would continue to reinvent itself half a decade later. From the devastating Delta wave in India to Omicron's ...

A study found that children reinfected with Covid-19 during the Omicron wave are over twice as likely to develop long Covid compared to initial infections. Children who were infected with Covid-19 for ...

With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, according to a study published in Nature. Using population-wide data from ...

Research reveals a sharp decline in both the effectiveness and duration of protection from prior infection post-Omicron, underscoring the need for updated vaccines to sustain immunity Study: ...

Wearing face masks may not have lowered the risk of COVID infection after the first Omicron wave, new research has shown. But that does not mean that face masks aren't useful, regardless. The wearing ...

The dominant variant of the coronavirus has proved to be not only staggeringly infectious, but an evolutionary marvel. By Carl Zimmer By November 2021, nearly two years after the coronavirus emerged ...

Omicron-derived virus variants are currently responsible for most SARS-CoV-2 infections worldwide. Compared to earlier virus variants, Omicron rarely causes severe disease. According to current ...

Researchers still have a lot to learn about Long COVID—when symptoms linger long after a COVID-19 infection is over—but new data suggest there may be some good news for people infected with the virus ...

Individuals admitted to hospitals with COVID-19 infection died 1.5 times more than those admitted with influenza, according to Swiss researchers. University of Lucerne researchers examined a national ...

People infected with COVID-19 during the Omicron era face an increased risk of diabetes and related diseases, according to a study showing that long-term dangers of the virus have persisted since the ...