UTMB-Galveston researchers tested the blood of people vaccinated with the Pfizer COVID-19 vaccine against the different coronavirus strains, including the South African variant. Pfizer and BioNTech have released some extraordinary findings from a Phase 3 trial involving 46,307 participants, between seven days and six months after a second dose was administered. Moderna says early trial results show increased immunity against COVID-19 variants first found in Brazil and South Africa among people who took a booster shot or an experimental new vaccine… THE Pfizer Covid vaccine does work against the South African variant, a new study suggests. According to CNN, Pfizer has also said that blood samples showed their vaccine was effective against the variant first identified in South Africa, known as B.1.351. The vaccine was found to have a 91.3 per cent efficacy rate. Stock photo. April 13, 2021 -- An Israeli study found that the South African coronavirus variant, B.1.351, can “break through” protection offered by the Pfizer/BioNTech vaccine, Reuters has reported. Pfizer's Covid-19 vaccine is 6.8 times less effective against the SA Covid-19 variant than against the main strain of the virus, say Israeli scientists. Two studies showed the vaccine to be more than 95 percent effective at protecting against severe disease or death from the variants first identified in South Africa and the U.K. A … Pfizer trial finds vaccine ‘100% effective’ against South African variant. The study showed the Pfizer vaccine was effective against the original strain of the virus in the vaccinated group, but that the prevalence of the South African variant in … Pfizer's vaccine will work against the South African coronavirus variant — although its mutations could still mean thousands of injected people are vulnerable, a … Pfizer and BioNTech said trials suggest that their vaccine is effective against the B.1.351 coronavirus variant, which first emerged in South Africa. It comes after separate research found the Oxford/AstraZeneca jab did not block mild illness from the mutation. JERUSALEM (Reuters) - The coronavirus variant discovered in South Africa may evade the protection provided by Pfizer/BioNTech's COVID-19 vaccine to …
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