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A stunning New York Times report claims that the Centers for Disease Control and Prevention's estimate that the risk of coronavirus transmission while outdoors is around 10% is greatly exaggerated. .
The CDC has cited the estimate to back up its recommendation that vaccinated individuals do away with masks in certain outdoor situations, but should keep wearing masks during others.
Walensky said the 10% benchmark came from a meta-analysis topline result from a study published in the Journal of Infectious Disease back in November. .
"The topline result was less than 10%, published in the Journal of Infectious Diseases, one of our top infectious disease journals," she said. "That is where that came from, it was from a published study that synthesized studies from many places." .
"There are limited data on outdoor transmission," a CDC official told the Times.
"The data we do have supports the hypothesis that the risk of outdoor transmission is low.