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Percentages of beach water (BA1, BA2, and BA3) (Fig. 1) samples that tested positive for stx2 within each season. The total number of samples tested within each season is shown (n) for summer 2006 (July 2006-August 2006), fall 2006 (September 2006 to November 2006), winter 2006/2007 (December 2006 to March 2007), spring 2007 (April 2007-May 2007), and summer 2007 (June 2007 to August 2007).
