Number of Confirmed Norovirus Outbreaks Submitted to CaliciNet by State
September 1, 2018 – October 30, 2018
Genotype Distribution of Norovirus Outbreaks
September 1, 2017 – August 31, 2018
* Dual typing for norovirus is being implemented by laboratories participating in CaliciNet. Dual typing is RT-PCR amplification of a partial region of both the polymerase gene and the capsid gene (region B-C) in a single reaction for genogroup I or genogroup II noroviruses.
- Page last reviewed: June 24, 2016
- Page last updated: November 9, 2018
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