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75% of the children had allergic symptoms

Allergy category

Percentage of given allergy（%）

Eczema

58%

Rhinitis / Hay fever

32%

Asthma

25%

Food allergy

16%

Eye Irritation (Allergic Conjunctivitis)

14%

62% of adult asthma patients in Hong Kong were reactive to environmental allergens

Allergens

Allergic adults (%)

D.pteronyssinus

62%

D.farinae

60%

Cockroaches

41%

Cat dander

24%

Dog hair

15%

90% of common food allergens in Hong Kong

Food type

Allergy（%）

Shellfish

38%

Egg

15%

Milk

11%

Peanuts

9%

Fruit

9%

Soy

8%

Meat

4%

Fish

4%

Nuts

2%

Barley

1%