Note that current rate is 85k/7.8B => 1/92,000 (~0.001%), so LB is "stopped after 10x increase". For UB note seasonal flu hits roughly 5-20% / year.
worldometers.info/coronavirus/co…
Are they wider (b/c more sources of variance?) Or narrower (b/c our stats on mortality are more accurate)? Hmm...
[1] waitbutwhy.com/2019/10/idea-l…