leptospirillum ferriphilum caricature picture showing worried face

acidic acidophilus afraid bacteria bacterial bacteriology bacterium bifidobacterium biology cartoon character cute design disease disturbed emoticon emotion expression fearful fears ferriphilum frozen funny hands happy icon illness illustration lactobacilli lactobacillus legs leptospirillum mascot microbial microorganisms nervous parasitic prebiotics probiotics scared scary science shocked smile spooked style system vector virus