Abstract
A group of Wairoa schoolchildren was examined for the symptoms of asthma using questionnaires, bronchial hyperesponsiveness challenge tests, and atopia by skin prick testing. The homes of a sub-group, which contained an equal number of asthmatics and non-asthmatics, were examined for house dust mites. All 42 homes examined contained Dermatophagoides pteronyssinus. Glycophagus domesticus, Cheyletus eruditis, Chortoglyphus arcuatus and Forcellinia galleriella were also present; D. farinae was not recorded. There was a strong relationship between positive skin prick tests of house dust mite allergen and the presence of asthma symptoms in individuals. Factors affecting house dust mite prevalence are discussed.
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