So what was the tweet mentioned in the headline?
Last paragraph: "One weakness of the trial, he added, is that because testing was not widely available during the time of the trial, their analysis used a combination of lab-confirmed positive coved-19 tests and symptoms to count someone as infected.
So we dont know actually. https://t.co/aqMcwSd8xT— Steve Krakauer (@SteveKrak) June 3, 2020