This study suggests most people may not need second COVID booster
Scientists from Israel’s Sheba Medical Center found that a fourth COVID vaccination or second booster shot may not be necessary for most people because...
This study shows a big cause of death in COVID-19
Scientists from Yale University found the mechanisms behind a major cause of morbidity and mortality in COVID-19 patients.
The research is published in Nature Reviews...
Why vaccination could prevent severe COVID-19 illness
Scientists from Harvard University found that vaccines induce multiple immune system mechanisms to protect against severe COVID-19 illness.
They found that while vaccine-induced neutralizing antibody...
Which masks protect against omicron?
As we begin to learn more about the omicron variant, there are concerns regarding the best ways to stay safe against this new threat.
Peter...
COVID vaccination or prior infection can protect most people from Omicron
Scientists from Massachusetts General Hospital found that T cell responses are still robust against the omicron variant in most people with COVID infection or...
Scientists find an important cause of COVID-19 deaths in older people
Your immune system's ability to combat COVID-19, like any infection, largely depends on its ability to replicate the immune cells effective at destroying the...
Why some people have no symptoms, while other get severe COVID-19 and die
Scientists from from Augusta University found the cause of the tremendous range of responses to infection with the COVID-19 virus—from symptom-free to critically ill.
They...
Estrogen hormone may protect women from severe COVID-19
Scientists from the University of Helsinki found an older woman’s estrogen levels may be linked to her chances of dying from COVID-19.
They found higher...
Obesity can strongly reduce antibody response to COVID-19 vaccines
Scientists from Istanbul University found that adults (aged 18 or older) with severe obesity generate a much weaker immune response to COVID-19 vaccination compared...
This COVID drug may also help treat long COVID
Scientists from the University of California, San Francisco found that an antiviral drug used to treat high-risk COVID-19 patients may also benefit patients with...