Amends the Department of Public Health Powers and Duties Law of the Civil Administrative Code of Illinois. Defines "homeless service provider" to mean a person or entity who provides services to homeless persons under any of the programs of or identified by the Department of Human Services. Requires the Department of Public Health to consider all homeless service providers in the State to be essential critical infrastructure workers under specified guidance from the federal Cybersecurity and Infrastructure Security Agency. Provides that during a federally-designated public health emergency or a public health disaster declared by a proclamation issued by the Governor under specified provisions of the Illinois Emergency Management Agency Act, the Department and the Illinois Emergency Management Agency shall offer recommendations to their local counterparts encouraging them to consider homeless service providers when making determinations about providing assistance.