Differing strains of the coronavirus continue to appear around the world and a new COVID-19 variant, the so-called "Delta" variant, has health experts concerned. The variant, otherwise known as B.1617 ...

Medically reviewed by Sukaina Hasnie, MD Key Takeaways Ear pain and hearing loss can be symptoms of COVID-19. COVID-19 can ...

LONDON (Reuters) – A subvariant of Delta that is growing in Britain is less likely to lead to symptomatic COVID-19 infection, a coronavirus prevalence survey found, adding that overall cases had ...

The study is based on a random sample that included people with asymptomatic infections. Vaccines protect well against severe disease.

Hospital officials said the vast majority of those staff members were vaccinated and most were cases of the highly contagious Delta variant.

Research from Thailand shows high long COVID prevalence in hospitalized patients, with severe illness increasing risk and ...