human nose with bacteria line icon. disease of paranasal sinuse, bacterial infection, nasal vestibulitis

adult air allergen allergic bacteria bacterial bacterium breathe coronavirus covid19 diagnosis diseased diseases exhale face fungi healthy human icon illustration immune infection infectious inhalation inhale line micro microbes microbiology nasal nature nose olfactor organ paranasal perception pollution respiratory science sensory sinuse sinuses smell symbol treatment vestibule vestibulitis viral virology virus