An Israeli hospital administered fourth COVID-19 vaccine doses to a test group of health workerson Monday, in what it called the first major study into whether a second round of boosters will help contend with the fast-spreading Omicron variant. R..
A three-dose course of AstraZeneca's (AZN.L) COVID-19 vaccine is effective against the rapidly-spreading Omicron coronavirus variant, the pharmaceutical company said on Thursday, citing data from an Oxford University lab study. Findings from t..
All three U.S.-authorized COVID-19 vaccines appear to be significantly less protective against the newly-detected Omicron variant of the coronavirus in laboratory testing, but a booster dose likely restores most of the protection, according to ..
Three shots of the Pfizer/BioNTech COVID-19 vaccine has been shown to generate a neutralising effect against the new Omicron variant in a laboratory test. The vaccine manufacturers released their first joint statement regarding the likely efficacy..
Existing vaccines should still protect people who contract the Omicron variant from severe Covid cases, a World Health Organization (WHO) official says. It comes as the first lab tests of the new variant in South Africa suggest it can partially ev..
Future pandemics could be even more lethal than COVID-19 so the lessons learned from the outbreak must not be squandered and the world should ensure it is prepared for the next viral onslaught, one of the creators of the Oxford-AstraZeneca vaccine sa..
A major British study into mixing COVID-19 vaccines has found that people had a better immune response when they received a first dose of AstraZeneca or Pfizer-BioNTech shots followed by Moderna nine weeks later, according to the results on Monday. ..
The Pfizer and Moderna vaccines being used in the UK as boosters give the best overall boost response, according to a UK trial of seven different jabs. The trial is the first study of how well Covid booster jabs work and justifies the UK's ear..
Scientists believe they have found "the trigger" that leads to extremely rare blood clots after the Oxford-AstraZeneca Covid vaccine. The team - in Cardiff and the US - have shown in exquisite detail how a protein in the blood is attract..
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