fusobacteria student mascot concept studying at home

bacilli bacillus bacteria bacterial bacterium biology book cartoon cell character clever coccus cute design diagnosis digestion disease education emoticon emotion expression funny fusobacteria geek graduate granulomatous happy helminth illustration infection intestine lactobacillus learner lepromatosis mascot microbe microbiology mycobacterium pencil prevotella research school science skill smart smile stationery student style vector