I thought this article was really interesting, especially since Covid seems to be statistically so much more deadly for older people (about 15% for age 80+) but has statistically few cases and almost no fatalities for children or pregnant woman (unlike RSV that is so serious for infants) and I don't believe any fatalities for children under 10yrs old. I was reading somewhere that Covid's real danger for catastrophic fatalities is if it spreads through nursing homes and this info seems to bear this out.
https://www.statnews.com/2020/03/03/who-is-getting-sick-and-how-sick-a-breakdown-of-coronavirus-risk-by-demographic-factors/some interesting quotes:
"The death toll skews old even more strongly. Overall, China CDC found, 2.3% of confirmed cases died. But the fatality rate was 14.8% in people 80 or older, likely reflecting the presence of other diseases, a weaker immune system, or simply worse overall health. By contrast, the fatality rate was 1.3% in 50-somethings, 0.4% in 40-somethings, and 0.2% in people 10 to 39."
"It may be that immuno-suppression is actually helpful. Some of the most serious symptoms of Covid-19 result from an immune system on the rampage rather than a lethargic one, Chinese scientists found: An extreme immune response called cytokine storm, a flood of immune cells and the biochemicals they produce, tears through lung tissue."
"The high fatality rate of Covid-19 in already-sick people might result not from the virus but from an exacerbation of existing disease."