smiling salmonella cartoon mascot style with two fingers

arm bacillus bacteri bacterial bacterium bifidobacteria bifidobacterium biology body bulgaricus cartoon cell character cherichia claws coli cute design emoticon emotion escherichia expression finger funny gesture hand hands happy illustration lab laboratory language legs mascot medical microbe microscopic mycobacterium peace pointing probiotic research salmonella science sign smile streptococcus style touch two vector virus