This is empirically testable with serosurveys. Singapore developed first serology test a month ago. There’s been much more work since.
sciencemag.org/news/2020/02/s…
All deaths would come in the last few weeks as it achieved max scale — right before it ran out of people with severe cases.
1) high absolute numbers of severe cases (flooded hospitals, etc)
2) With as *low* a severity rate as they’re proposing
The scale of virus and its growth rate would have to be incredibly high. All the “rare” severe cases would then turn up at the end.
But a major counterargument to the theory is that H1N1 pandemic took months to get around the globe. Is this so much faster?