disinfector in a mask and protective suit in blue. color . treats air from covid-19 coronavirus infection.

air airborne apparatus background backpack bacteria blue care chemicals china clinic color concept coronavirus covid19 dangerous deactivation deratization disease disinfection disinfector educational epidemic face fight flat gas get harmfulness health hospital idea illustration infected infection insects isolated literature man mask medical medicine pandemic pathogen pests processing protection protective risk specialization spray spread suit threat training treats uniform vector virus viruses wear work worker