Abstract
In this study, we conducted a questionnaire survey to determine the installation state of air cleaners and humidifiers in the kindergartens and nurseries in the Tokai region. The results of the survey showed that the installation of these equipment increased rapidly against a backdrop of the epidemic of pandemic influenza in 2009. As younger children and infants stayed at nurseries for long durations, the installation rate of the equipment was higher at nurseries than at kindergartens. However, open windows for ventilation were used as the principal method of preventing infection of influenza at both kindergartens and nurseries.
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