a worker in a protective suit carries out chemical and sanitary treatment in a garden or park. spraying repellent or antiviral

acaricidal anti antimicrobial antiviral bloodsucker bug chemical chlorine city cleaner control corona coronavirus covid danger destruction disinfection environmental epidemic extermination garden grass infection insect insecticide mite mosquito overalls pandemic parasite park pathogen pest pesticide pneumonia poison protective repellent respirator safety sanitize spray spraying tick treatment virus warning yard