I’m guessing, due to inadequate testing, that there are around 22,000 COVID-19 cases in the U.S. (official count is now 2200, I multiply by 10).
https://twitter.com/trvrb/status/1238643285045833730
“This is a thread about how to interpret the seemingly sudden appearance of #COVID19 across the much of the US in the past week with some back-of-the-envelop calculations for number of current infections. 1/13”
Pretty close.