Thunderstorm associated asthma: a detailed analysis of environmental factors.


OBJECTIVES To seek associations between meteorological factors, concentrations of air pollutants or pollen, and an asthma epidemic which occurred in London on 24 and 25 June 1994 after a thunderstorm. DESIGN Retrospective study of patients' accident and emergency department records, with bivariate and multivariate analysis of environmental factors and… (More)