The Occupational Safety and Health Administration has produced a Hazard Recognition page concerning COVID-19 and the risk to workers in the United States.
Here is OSHA's classification of risk:
Medium Risk Workers
Individuals who have contact with international travelers
Workers who engage with the general public
Healthcare delivery and support staff
Medical transport workers
Very High Risk
Click Here to visit OSHA's hazard assessment page for COVID-19
OSHA's updates are continuously evolving for Coronavirus. Click the above image for additional OSHA news.