By Hugo Francisco de Souza A novel nasal booster approach may help close the gap between systemic vaccination and infection-blocking mucosal immunity, offering fresh insight into next-generation COVID ...

CHICAGO (WLS) -- The first omicron variant in Illinois was tested at a Rush University Medical Center lab in December after sequencing COVID samples from across the city of Chicago. "Since then it has ...

COVID-19 severity appears to be declining among hospitalized children as the Omicron variant continues to evolve.

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 ...

NEW YORK (WABC) -- Federal regulators are considering limiting the authorization of certain monoclonal antibody treatments that have not proved effective against the omicron variant of the coronavirus ...

As evidence mounts that the omicron variant is less deadly than prior COVID-19 strains, one oft-cited explanation is that viruses always evolve to become less virulent over time. The problem, experts ...

With the latest COVID-19 variant leading to record numbers of cases worldwide, a top infectious disease expert says the virus is undergoing a major shift. Dr. Robert Redfield, the former director of ...

Long after the acute infection fades, pieces of the virus behind COVID-19 can linger in the body and quietly sabotage the ...

Covid-19 Active Cases India Jan 21 Highlights, Omicron Variant Cases in India, Coronavirus 3rd Wave, Covid-19 Vaccine Dose ...