"If an employee is confirmed to have COVID-19, employers should inform workers of their possible exposure while maintaining confidentiality. Employees exposed to a co-worker with confirmed COVID-19 should follow the Centers for Disease Control and Prevention’s guidance: What to do if you are sick with coronavirus disease 2019 (COVID-19). Employers should consult with their local health department for additional guidance."
https://www.fda.gov/news-events/fda-voices-perspectives-fda-leadership-and-experts/fda-offers-assurance-about-food-safety-and-supply-people-and-animals-during-covid-19
FDA Offers Assurance About Food Safety and Supply for People and Animals During COVID-19