coronavirus word and germ microbe silhouette drawing made in dirt, filth

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