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@volkadav ("Mike Jackson") retweeted:
@triketora ("Tracy Chou") wrote:
At the beginning of the pandemic, the CDC said that a close contact was somebody that you’re indoors with unmasked for 15 minutes or more. The equivalent of that with the Delta variant is not 15 minutes, it’s one second.
https://www.statnews.com/2021/07/23/how-concerned-should-we-be-about-breakthrough-coronavirus-infections-one-expert-weighs-in/