My moms stepdads family have Corona virus

I’m so worried now because my moms stepdads mom and my stepdads brother and dad have the Corona virus she worked at a restaurant so maybe she caught it from there they live in ridge field park New Jersey my husband is nervous and me two even tho we haven’t had contact with someone infected but we are still worried beause it’s in the air we got mask just in case at first I didn’t believe it but now I do