A new study confirms the dramatic erosion of the Pfizer-BioNTech COVID-19 vaccine’s protection against breakthrough infections.
Approving COVID-19 booster shots seemed like a slam dunk, but two influential advisory boards raised a host of complicated questions., researchers from Emory University and Stanford found that six months after being inoculated with Comirnaty, roughly half of 56 young and middle-aged adults had no detectable neutralizing antibodies against the SARS-CoV-2 virus. The reduced immunity was particularly dramatic against the coronavirus variants Delta, Beta and Mu.
The Lancet study reflects a very large and diverse population of Californians who are still being tracked. As such, it is poised to offer U.S. policymakers some insight into who needs boosters most, and when. “We really do need to track closely to make sure we catch it quickly if it does happen,” Tartof said in an interview.
She said the Kaiser Permanente team, in collaboration with Pfizer, continues to analyze its data weekly. The team is poised to alert public health officials if hospitalizations begin to creep up in any slice of the population, she added.
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Pfizer Tests Pill That Could Prevent Covid InfectionI 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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