Hay Fever And Pollen Allergies And Medical Allergy Concept As A Group Of Microscopic Organic Pollination Particles Flying In The Air With A Human Breathing Diagram As A Health Care Symbol Of Seasonal Illness.

KEYWORDS

air airborne allergen allergenic allergic allergies allergy anatomy asthma asthmatic breathing care concept conceptual diagram dimensional ecological ecology exposure face fever flowering grains group hay health human immunology medical medicine microscopic nasal nose particle pollen pollination rhinitis risk seasonal sinus sky sneeze