The alert came the same day Georgia set a new record with nearly 3,000 new confirmed cases.
People who are medically-fragile and elderly are strongly encouraged to continue to shelter in place as much as possible through at least July 15.
Over 300 businesses have been directly affected in Cobb and Douglas counties over the past few weeks, and 75 outbreaks are under investigation.
The department urged all residents to adhere to the following guidelines:
•Frequently wash their hands or use hand sanitizer
•Stand 6 feet away from others when outside their home
•Wear cloth masks when social distancing is not consistently possible
•Stay at home when you are sick
•Continue to frequently disinfect your home and business
•Avoid large gatherings of more than 50 people