bacteria and viruses linear icons set. pathogen, microbe, infection, contagious, tissue, epidemic, host line and

vector icon line sign pathogen microbe infection contagious tissue epidemic host resistance virulence outbreak antibiotic mutation immune bacteria plague pandemic toxin vaccine cell germ dna fungi respiratory transmission yeast microorganism fever innate hostility antibody antibiotics immunization inoculation pathogenic influenza sickness parasitic inhale intestine virology immunity dust trachea