set of different viruses in hand drawn style. color diagrams showing the structure of viruses. .

adenovirus aids antivirus biology capsid color diagram diagrams different disease dna drawn education epidemic epidemy flu germ hand hcv hepatitis herpes hiv hpv hsv human hygiene illness illustration immunodeficiency infection influenza influenzavirus medicine microbe microbiology microorganism microscopic papilloma papillomavirus pathogen retrovirus rna scheme science set showing simplex sketch structure style vector virology virus viruses aonjunctivitis