a brainy student burkholderia mallei cartoon character with pencil and glasses

anthracis bacilli bacillus bacteria bacterial bacterium book burkholderia cartoon character cholera clever cocci collection cute disease education emoticon emotion endospores enterica expression food funny geek gonorrhea graduate helicobacter human illustration infection learner mallei mascot meningitis microbe pencil peritonitis salmonellosis sarcina school skill smart smile stationery streptococci student vector