https://www.erinbromage.com/post/the-risks-know-them-avoid-them
This is a good article explaining how to keep safe from Coronavirus as and when the lockdowns are eased. Explains what situations are high and low risk for transmission.
These links also provide more background information:
Saudi CDC:
https://covid19.cdc.gov.sa/community-public/
NHS UK:
Tibb.co 