Calicinet Data - Norovirus US Outbreak Map
Number of Confirmed Norovirus Outbreaks Submitted to CaliciNet by State
September 1, 2018 – November 30, 2018
Confirmed Norovirus Outbreaks Submitted to CaliciNet, by Genogroup
September 1, 2017 – November 30, 2018 (n=713)
Genotype Distribution of Norovirus Outbreaks
* 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.