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@travisthetechie ("Travis Smith") retweeted:
@annswin ("Ann Swinburn") wrote:
Like a classroom?
with quote tweet:
@sfchronicle ("San Francisco Chronicle") wrote:
“If you walk into a room with 25 or 30 people, you can be about 95% sure that someone in there has COVID,” Dr. Robert Wachter, chief of medicine at UCSF, said.