A second type of airborne allergy called perennial allergic rhinitis occurs year-round and is more likely due to indoor allergens such as pet dander or dust mites
it is perennial
A perennial is a perennial no matter where it is grown.
A parallel relationship with something, like pollen and allergy, dog and barking, wind and storm.
Allergy is a hypersensitive elicitation of immune response of body upon exposed to some allergens.
Perennial
perennial
It has more than one meaning: 1) Lasting 3 or more seasons 2) Recurring again and again
Perennial
An allergy is an immune system response to a foreign substance that is typically harmless to others, such as pollen, certain foods, or pet dander. This response can cause symptoms like sneezing, itching, or congestion.
A tender perennial is a perennial plant that is not hardy in cold climates.
Perennial
Perennial :)