CDC guidelines for older, and otherwise high risk, Americans.
https://www.cnn.com/2020/03/06/health/coronavirus-older-people-social-distancing/index.html
"This ought to be top of mind for people over 60, and those with underlying health problems, such as heart or lung disease, diabetes, or compromised immune systems," Schaffner added. "The single most important thing you can do to avoid the virus is reduce your face to face contact with people."
Guidelines:
https://www.cdc.gov/coronavirus/2019-ncov/specific-groups/high-risk-complications.html
Also: A sobering analysis of how coronavirus is likely to impact the US healthcare system suggests that hospitals will be quickly overwhelmed with patients, and that all available beds will be filled by around
May 8th if the virus tracks with Italy's figures and 10% of patients require an ICU:
Same Twitter thread:
https://threadreaderapp.com/thread/1236095180459003909.html