I get it. You are too young to have ever seen normal cloud and normal sky before the chemtrails begin circa late 1990s.
Anon -
you can get the specific info you need from the CDC website. It is very extensive.
Dr. Fauci talked yesterday and explained that people over 60 who have a serious medical condition (examples given: COPD chronic obstructive pulmonary disease, or diabetes, or are immune compromised e.g. while undergoing chemotherapy for cancer etc.) are more vulnerable.
https://www.cdc.gov/coronavirus/2019-nCoV/index.html
Please click the various sections that apply to you and read and study. Contact a healthcare provider if you have specific questions.
p.3 pic related
From the White House Coronavirus Task Force:
What you need to know about Keeping Workplaces, Homes, Schools, or Commercial Establishments Safe
https://www.cdc.gov/coronavirus/2019-ncov/downloads/workplace-school-and-home-guidance.pdf
I'm not a Dr., just relaying authoritative info I have seen.