I 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 [email protected]
led by researchers at Imperial College London, which scientists say underscores the need for a booster program to control Covid-19 infections as U.S. regulators meet to discuss if and when to offer additional shots of Moderna and Johnson & Johnson vaccines.
Based on data from over 100,000 swab tests taken between June 24 and July 12, the researchers found evidence of strong protection against infection for those fully vaccinated compared to the unvaccinated, who had an infection rate of 1.76%. However, the infection rate was higher among people who had received the vaccine 3-6 months ago compared to those who had received the final dose within the last three months , the researchers found, suggesting the protection offered by vaccination faded over time. The study, which has not been peer reviewed, did not examine the protection vaccination offered against severe illness, hospitalization and death, a primary purpose of vaccination that other studies suggest remains strong.
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