About half of the number of people who suffer from allergies to animals are not pets. Removing the animal from the home is not always sufficient for recovery - animal allergens are found inside the house even during the 5 - 6 months. Children often suffer from allergies to animals, because the other children or teachers have the animals in schools and child care facilities.
In homes where cats or dogs are held, is found from 1000 to 1000000 ng allergen per gram of pure dust. Allergenic properties of wool and animal dandruff does not depend on the breed or the length of hair - this also applies to dogs and the cats. Strongest allergenic properties differ from saliva of cats, which animal moistens while washing their hair.
In public places such as schools and offices, the concentration of «cat» and «dog» allergens in dust often is at the same level as in the homes where these animals. Allergens may be submitted to the clothing or in their hair from their homes into the environment. The contents of them, in most cases higher than in rooms with carpet. Allergic reactions to animal allergens are found in workers of zoos, circuses and pet hospitals.
Different reactions may cause wool and fur clothing. Fur coats can contain active allergens and could serve as reservoirs of allergens.
