A growing body of preliminary research suggests the Covid vaccines used in most of the world offer almost no defense against becoming infected by the highly contagious Omicron variant.
All vaccines still seem to provide a significant degree of protection against serious illness from Omicron, which is the most crucial goal. But only the Pfizer and Moderna shots, when reinforced by a booster, appear to have initial success at stopping infections, and these vaccines are unavailable in most of the world.
The only country studied that saw a starker overall trend was Russia.
The study, published Wednesday in The BMJ (formerly the British Medical Journal), assessed premature death in 37 countries, comparing observed life expectancy in 2020 with what would have been expected for the year based on historical trends from 2005-2019. Life expectancy dropped in 31 of these countries during the pandemic.
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