Requiring the commissioner of health to develop a comprehensive asthma surveillance system to measure the prevalence of childhood asthma, to identify factors causing or exacerbating asthma and methods to prevent or minimize the severity of asthma and to provide data for use by asthma researchers; requiring the commissioner to specify the types of data to be reported and the standards for reporting the data, classifying and providing for release of data collected and maintained by the commissioner; authorizing the commissioner to adopt implementation rules and requiring certain biennial reports to the legislature (mk)