The CDC published this helpful guide for residential homes during COVID-19 including:

Communicate to staff and residents
Plan for accommodations, modifications, and assistance for GH residents
Follow guidance for Direct Service Providers (DSPs)
Screen and advise residents, staff, and essential volunteers
Plan for essential outings
Continue medical care for underlying conditions
Consider limiting the number of non-essential visitors
Manage stress and anxiety
Prepare for Staff Shortages

and What to do if a GH resident has been exposed to COVID-19, has symptoms of COVID-19, or tests positive for COVID-19