Two new COVID-19 subvariants, collectively nicknamed FLiRT, are increasingly edging out the winter's dominant strain ahead of ...
UC San Diego collaborates with UK researchers on a retrospective observational study to unravel a medical mystery. Pradipta ...
Hospitalizations for COVID are at an all-time low four years after the start of the pandemic, but new variants are in ...
Herd immunity occurs when a large portion of a community (the herd) becomes immune to a disease. The spread of disease from person to person becomes unlikely when herd immunity is achieved. As a ...
The CDC is reporting a new family of rapidly spreading COVID variants that make up 1 in every 4 cases in the U.S. Here's what ...
Nearly 18 million U.S. adults have long Covid, a multisystem illness that sometimes appears after a bout of Covid-19. Its ...
Human factors − such as how people produce food and how they organize themselves and live together − influence disease ...
Vaccination is one of mankind’s most miraculous innovations. The eradication of smallpox, and the retreat of measles and ...
Researchers deliberately infect participants with SARS-CoV-2 in ‘challenge’ trials — but high levels of immunity complicate ...
A data scientist who has accurately predicted COVID waves since the beginning of the pandemic warns that a surge is on the ...
Older people, and those with underlying medical problems, are more likely to develop serious illness or even death. In March 2020, the World Health Organisation declared a coronavirus pandemic.