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E-Mail Several weeks following the publication of the large real-world Covid-19 vaccine effectiveness study by the Clalit Research Institute in Collaboration with Harvard University in the New England Journal of Medicine (NEJM), additional results focusing on vaccine effectiveness in specific sub-populations have now been published. While the original publication demonstrated the effectiveness of the Pfizer-BioNTech mRNA vaccine in the general population, outstanding questions remained regarding vaccine effectiveness in specific sub-populations of interest, including the elderly, multi-morbid individuals, and individuals with specific prevalent chronic conditions. The new study also took place in Israel and evaluated data on approximately 1,400,000 Clalit members, with extended follow-up time compared to the previous study, and additional subpopulations. The advanced methodologies employed meticulous individual matching techniques to enable an as-clean-as-pos ....
Researchers examine effectiveness of Pfizer vaccine against COVID-19 A major study, conducted in collaboration with researchers from Harvard University, examined data on 600,000 vaccinated individuals in Israel, along with 600,000 matched unvaccinated controls. Two doses of Pfizer/BioNTech vaccine reduced symptomatic COVID-19 by 94% and severe disease by 92%; Single-dose reduced symptomatic COVID-19 by 57% and severe disease by 62%; Vaccine effectiveness was found to be similar across age groups; B.1.1.7 variant became dominant in Israel during the study period. The Clalit Research Institute, in collaboration with researchers from Harvard University, analyzed one of the world s largest integrated health record databases to examine the effectiveness of the Pfizer vaccine against COVID-19. ....
"If the nations of the world can find the will, we now have the means to end Covid-19 forever," said a virologist.. Read more at straitstimes.com. ....
A large-scale study has found the coronavirus vaccine developed by Pfizer and BioNTech to be very effective in the real world. The jab was found to be especially effective at preventing severe illness and death. ....
AFP 24 FEBRUARY 2021 The Pfizer COVID-19 vaccine has proven 94 percent effective in a study involving 1.2 million people in Israel, the first peer-reviewed real world research confirming the power of mass immunization campaigns to bring the pandemic to a close.
The paper, which was published in the New England Journal of Medicine on Wednesday, also demonstrated there is likely a strong protective benefit against infection, a crucial element in breaking onward transmission. The fact that the vaccines worked so well in the real world. really does suggest that if the nations of the world can find the will, we now have the means to end COVID-19 forever, said Ben Neuman, a virologist from Texas A&M University who was not involved in the research. ....