The investigation of inhalational allergen in 208 asthmatic infants and children

The aim of the study was to investigate the inhalational allergen in 208 asthmatic infants and children with allergen steep puncturing skin. The positive cases were 169(81.25%). There were 18 inhalational allergens in allergen steep. The positive rate of the dust acarus was 78.85%, and the dust was 35.58%, the smoke was 32.69% among the allergens. There was not any positive reaction in other allergens. There were no sexual differences in the positive rate. There was nothing with hypersusceptibility of the individual and the family. The positive rate of the infant was less than the child. There was significant difference of the positive rate in the age group (P < 0.01). The result indicated that dust acarus, air pollution or passive smoke was the quite dangerous factor in the many factors of the asthma. It was very important to strengthen the study of the infant and child prevention and cure