Provides that if, as a result of services performed in line of duty during a state of emergency, a volunteer firefighter or volunteer ambulance worker is exposed to or comes in contact with COVID-19, the chief engineer or other executive officer of the fire department or fire company or the captain or other executive officer of the ambulance department, volunteer ambulance company or ambulance district of which they are a member may authorize such volunteer firefighter or volunteer ambulance worker to obtain such examinations, tests, treatment and care as are immediately necessary to determine whether they are injured; further grants a presumption that exposure to COVID-19 caused partial or total disability or death.