The inducing factor of children asthma is correlated with upper respiratory infection, climate change, season transition, allergic disease, asthma family history and allergic family history.

儿童哮喘的发病原因与上呼吸道感染、气候变化和季节交换、过敏性疾病、家族哮喘史和亲属过敏史密切相关。

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Care should also be exercised in the immunization of children with a family history of an allergic diathesis.

对具有过敏素质家族史的儿童，在进行免疫时，亦宜加小心。

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Conclusion: Children asthmatic due mainly to upper respiratory infection, climate change and seasonal exchange, allergic diseases, family history of asthma and allergy history of relatives.

结论：儿童哮喘的发病原因主要有上呼吸道感染、气候变化和季节交换、过敏性疾并家族哮喘史及亲属过敏史。

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All the study participants had a family history of allergic disease such as eczema or asthma - making their children more likely to develop such illnesses.

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All the study participants had a family history of allergic disease such as eczema or asthma - making their children at higher risk of developing such illnesses themselves.

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