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CaliciNet Data Tables

Confirmed Norovirus Outbreaks Submitted to CaliciNet, by Genogroup

(September 1, 2015 - January 4, 2017)

Outbreak Month Norovirus GI Norovirus GII
2015-09 5 12
2015-10 8 23
2015-11 15 33
2015-12 15 100
2016-01 11 100
2016-02 8 95
2016-03 11 100
2016-04 3 64
2016-05 2 46
2016-06 2 22
2016-07 9 15
2016-08 4 17
2016-09 5 15
2016-10 5 29
2016-11 7 44
2016-12 6 30
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Genotype Distribution of Norovirus Outbreaks

September 1, 2016 – January 4, 2017

Genotype Number of Outbreaks Percentage
GII.4 Sydney 2015 84 60%
GII.4 Sydney 2012 7 5%
GI.3 17 12%
GII.6 9 6%
GII.2 9 6%
Other Genotypes 15 11%
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Genotype Distribution of Norovirus Outbreaks

September 1, 2015 - August 31, 2016

Genotype Number of Outbreaks Percentage
GII.4 Sydney 2015 212 29%
GII.4 Sydney 2012 133 18%
GII.2 92 13%
GII.17 76 11%
GI.5 52 7%
GII.3 51 7%
Other
Genotypes
104 14%
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