close up virologist in hazard suit and mask

2019ncov agent analysis analyzing background bio biohazard biological biology biotechnology blood care clinic concept corona coronavirus covid19 dangerous disease doctor emergency epidemic expertise fever flu global glove hazard hazardous healthcare hospital hygiene illness infection infectious lab laboratory man mask medic medical medicine microbiology nurse outbreak pandemic paramedic patient people person pharmaceutical pneumonia pollution practitioner prevention protection quarantine research respiratory risk safety sars science scientist security sick sickness specialist sterile study studying surgical syndrome test together uniform vaccine virus woman working