With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, ...

The second possibility is that Covid has now settled into a rut, which will see it become progressively milder until it ultimately becomes akin to the common cold. Chin-Hong says that this would make ...

Infection with the SARS-CoV-2 Omicron variant confers weak, short-term protection against reinfection, compared with the much ...

The Omicron variant of the coronavirus is suspected to be the most infectious yet by binding to human receptors better than the Delta variant and the team’s findings show it may have the potential to ...

Vaccinations alone may not be enough to protect people with compromised immune systems from infection, even if the vaccine ...

As South Korea battled a spike in flu cases, misinformation swirled online that the country was suffering a resurgence of the Omicron XBB coronavirus variant, which was "five times stronger" and "more ...

The COVID-19 vaccine confers protection against the development of post-COVID-19 conditions, particularly during the Delta and Omicron eras.

Aside from the potential curse of long COVID, people who've had the SARS-CoV-2 virus may be more likely to develop high ...

The trial will evaluate the safety and effectiveness of a next-generation vaccine administered through a nasal spray or ...

The COVID-19 pandemic, caused by the coronavirus ... So far there have been several variants of the virus -- B.1.1.7, B.1.351, P.1, Delta, B.1.617.2, BA.5. Omicron BF.7 strain is driving the ...