https://www1.nyc.gov/assets/doh/down...ta-summary.pdf
Really good and detailed information on ages, status etc. of NY infections. This may provide a pretty clear picture of why social distancing is important.
97% of the deaths are from the ages of
45 and up.
Deaths
0 -17 0%
18 - 44 3%
45 - 64 22%
65 - 74 23%
75 and older 52%
It says 95% of the deaths had underlying health issues
(Diabetes, lung disease, cancer, immunodeficiency, heart disease, hypertension, asthma, kidney disease and GI ' Liver disease.)