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As we now know, the Indian study wasn’t the sole basis for the CDC’s conclusion that the vaccinated should start wearing masks again. The Provincetown study plus other research from Wisconsin and Singapore showed that some vaccinated people who ended up with breakthrough infections may have viral loads as high as infected unvaccinated people do, at least for a few days. (The Singapore study found that viral load drops in the vaxxed much more quickly than it does in the unvaxxed, though.)That suggested that the vaccinated could transmit Delta as easily as the unvaccinated could. But the only study that purported to confirm that transmission was happening among the vaccinated was the study from India.Which turns out to have been … problematic:QuoteBut Ravindra Gupta, the director of the team at the Cambridge Institute of Therapeutic Immunology and Infectious Diseases that conducted the study, confirmed to The Fact Checker that the article had been initially rejected during peer review because a reviewer “was not happy with certain aspects.” The paper is now on its fourth revision — Research Square only shows the first version — and Gupta said that the “high viral loads” cited by the CDC essentially disappeared in the current version as more information was obtained from a third hospital. He said that revised paper is still under review for publication.
But Ravindra Gupta, the director of the team at the Cambridge Institute of Therapeutic Immunology and Infectious Diseases that conducted the study, confirmed to The Fact Checker that the article had been initially rejected during peer review because a reviewer “was not happy with certain aspects.” The paper is now on its fourth revision — Research Square only shows the first version — and Gupta said that the “high viral loads” cited by the CDC essentially disappeared in the current version as more information was obtained from a third hospital. He said that revised paper is still under review for publication.