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