NEW YORK -- This holiday season held promise for Americans, many of whom spent Christmas 2020 in quarantine or away from loved ones due to a nasty winter COVID-19 surge. Yet in the last week or so, ...

Pfizer's and Moderna's omicron boosters reduced the risk of mild illness from the XBB family of subvariants compared to people who did not receive the shot, according to a study from the Centers for ...

mRNA COVID-19 vaccines are less effective against Omicron infections than other variants. A study suggests that the additional protection offered by the initial booster shot may be reduced among ...

Pfizer and BioNTech said Friday that the immune responses against omicron BA.4/BA.5 subvariants were "substantially higher" in people who got its new bivalent booster compared with people who received ...

Scientists have developed a novel Omicron-specific mRNA vaccine that offers superior immune protection against two viral subvariants than standard mRNA vaccines. The new vaccine, called Omnivax, ...

In a recent study posted to the medRxiv* preprint server, researchers in Canada assessed the effectiveness of protection elicited by the fourth dose of the coronavirus disease 2019 (COVID-19) mRNA ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. Hybrid immunity from prior omicron infection and at ...

The White House said on Tuesday it will ensure Americans continue to have easy access to COVID-19 vaccines, treatments and testing to contain the fast-spreading Omicron BA.5 subvariant that now makes ...

University of Newcastle provides funding as a member of The Conversation AU. Vaccines (predominantly mRNA vaccines) have been our front-line defence against COVID and have saved millions of lives.

The CDC has published real-world data showing the omicron booster cuts the risk of mid illness from the fast spreading XBB subvariants. But the protection varies by age. Adults ages 18 to 49 had a 48% ...