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Table 1 Number of outbreaks and cases of acute viral gastroenteritis due to norovirus according to year. Catalonia, 2010-2011

From: Economic costs of outbreaks of acute viral gastroenteritis due to norovirus in Catalonia (Spain), 2010–2011

Year 2010 2011 Total
n (%) n (%)
Number of outbreaks 66 (65.3 %) 35 (34.6 %) 101
Number of cases 1,969 (71.4 %) 787 (38.6 %) 2,756
Mean number of cases per outbreak 30.6 27.3 27.3
Range 2–191 3–91 2–191
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