bacteria peritrichous black line icon. flagellum microscopic germ cause diseases concept. pictogram for web, mobile app, promo. ui

abstract aid animal app art attack bacilli bacteria bacterium biology care cell concept design diagnosis disease drawing drawn element epidemiology flagella flagellum germ graphic green health hygiene icon illness illustration infection isolated line microbiology microflora microorganism microscope object outline pathogenic pictogram scientific shape sick sign simple symbol virology virus