As we have been discussing for weeks, there is now a visible spike in all-cause mortality across multiple countries.
https://www.nytimes.com/interactive/2020/04/21/world/coronavirus-missing-deaths.html

In this situation death is unfortunately the ultimate test. Minimal false positive rate, high test/retest reliability, comparable across space and time, no lab needed to diagnose.

See thread from March 23 and work by @DellAnnaLuca and @davidbessis. https://twitter.com/balajis/status/1241997478565531648

Earlier thread from March 7. https://twitter.com/balajis/status/1236334815026298882