> Dr. Eric Feigl-Ding (Eric Ding) is a health economist, epidemiologist, and nutrition scientist at the Harvard Chan School of Public Health, and an expert advisor to the World Health Organization.
I'm not usually one for relying heavily on authority, but this guy[1] is likely to know when the R0 number looks very, very bad.
[1] https://scholar.harvard.edu/ericding/home