coronavirus covid-19 danger word drawing in dust, dirt, ash as virus disease threath

antibiotic ash bacteria contagious coronavirus covid19 danger death dirt dirty disease disinfect drawing dust dusty enemy epidemic fever filth filthy germ health healthcare humanity hygiene illness infect infection influenza kill killer lethal medical medicine microbe microbiology microorganism pandemic panic pneumonia prevention risk sars sarscov2 sickness silhouette spread symptom threath vaccine virus war word