scientist, doctor or teacher holding of a microorganism with one tail - flagella on white background. enlarged model of path

aerogenosa background bacteria big biology campylobacter cholera cholerae contamination diarrhea dna doctor dyspepsia enlarge filament flagella gastroenteritis glove green hand health hold human hygiene illness indigestion infection laboratory large medical medicine microbiology microflora microorganism model monotrichous one parahaemolyticus pathogen pathogenic pseudomonas research rna science scientist shape teacher vibrio water white