cartoon character of coronaviridae with sleepy expression

bacteria bacteriology bacterium beast cartoon character collection coronaviridae coronavirus creature cute emoticon emotion engraved engraving expression eyestrain funny germs happy holerae illness illustration immunodeficiency infection influenza mascot microbiology microorganism microscope mutant mycobacterium pandemic pathogen plague rabies set sketch sketching sleep sleeping sleepy smile tired tuberculosis tuberculosiss variola vector virology virus viruses yawn yersinia