Data from Israel suggests Pfizer’s vaccine has become less effective in preventing infection of Covid-19 in recent weeks, although it remains a robust bulwark against serious illness as governments scramble to respond to the spread of the Delta variant
TEL AVIV—Data from Israel suggests Pfizer Inc.’s vaccine has become less effective in preventing infection of Covid-19 in recent weeks, although it remains a robust bulwark against serious illness as governments around the world scramble to respond toThe findings, which are preliminary and based on a small sample, suggest that after two shots the vaccine protected 39% of people from infection and 40% against symptomatic disease during a period, according to the country’s Health Ministry.
“It’s important to say that in terms of protecting against severe illness, hospitalization and death, the Pfizer vaccine is still very very efficient,” said Nadav Davidovitch, a member of the expert advisory panel to the Israeli government on the coronavirus. “We are still not sure about whether the reduction in effectiveness is due to time passed or [a] question of the variant.”
Mr. Davidovitch said the data was based on hundreds of cases and should only be considered preliminary. Pfizer said the company and its partner BioNTech SE are confident in the protection and safety of the two-dose vaccine, which it said prevents severe disease and hospitalizations. Two doses continue “to be highly efficacious in preventing Covid-19, including variants and to date, no variant, including Delta, appears to have escaped the protection of the vaccine,” Pfizer said.
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Oral Covid Vaccine Set To Begin Trials In IsraelI am a London-based reporter for Forbes covering breaking news. Previously, I have worked as a reporter for a specialist legal publication covering big data and as a freelance journalist and policy analyst covering science, tech and health. I have a master’s degree in Biological Natural Sciences and a master’s degree in the History and Philosophy of Science from the University of Cambridge. Follow me on Twitter theroberthart or email me at rhartforbes.com
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Oral Covid Vaccine Set To Begin Trials In IsraelI am a London-based reporter for Forbes covering breaking news. Previously, I have worked as a reporter for a specialist legal publication covering big data and as a freelance journalist and policy analyst covering science, tech and health. I have a master’s degree in Biological Natural Sciences and a master’s degree in the History and Philosophy of Science from the University of Cambridge. Follow me on Twitter theroberthart or email me at rhartforbes.com
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Pfizer Shot Just 39% Effective Against Delta Infection, But Largely Prevents Severe Illness, Israel Study SuggestsI am a London-based reporter for Forbes covering breaking news. Previously, I have worked as a reporter for a specialist legal publication covering big data and as a freelance journalist and policy analyst covering science, tech and health. I have a master’s degree in Biological Natural Sciences and a master’s degree in the History and Philosophy of Science from the University of Cambridge. Follow me on Twitter theroberthart or email me at rhartforbes.com
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