Given the interest in the Santa Clara county #COVID19 study from Stanford, and the question of self-selection into the study by probable carriers, this thread collects posts by people claiming on-the-ground knowledge about this. If you have more, please leave it in the comments.
The FT trumpet new research, which, according to the FT, shows that the new #coronavirus may already have infected half the UK population. Which would be great news, suggesting very low death rates.