1. A history of ≥4 wheezing episodes with ≥1 physician’s diagnosis.
2. In addition, the child must meet ≥1 of the following major criteria or ≥2 of the following minor criteria: 2. In addition, the child must meet ≥1 of the following major criteria or ≥2 of the following minor criteria:
Major criteria Parental history of asthma Doctor-diagnosed atopic dermatitis Allergic sensitization to >1 aeroallergen Minor criteria Allergic sensitization to milk, egg, or peanut Wheezing unrelated to colds Blood eosinophils >4%