NEW: Saturday 21 March update of our coronavirus mortality trajectories tracker

• Today we add annotations showing when each country locked down
• UK & US already have more deaths than when China, Spain, France & others locked down

Live version here: https://t.co/VcSZISFxzF pic.twitter.com/Nie5jBSX24

— John Burn-Murdoch (@jburnmurdoch) March 21, 2020