Fig. 1From: The effect of seasonal and extreme floods on hospitalizations for Legionnaires’ disease in the United States, 2000–2011a The 75 hospitals in the HCUP dataset with a minimum of 10 total Legionnaires’ disease cases; dark gray states are those that do not participate in HCUP or do not provide monthly data. b Total Legionnaires’ disease hospitalizations among the included hospitals between 2000 and 2011 by geographic regionBack to article page