Novel H3N2 Influenza Virus: Increaed Surveillance
California Department of Public Health (CDPH) is requesting increased surveillance and testing for influenza in children less than 18 years of age. Since July 2011, a novel swine-origin triple reassortant H3N2 influenza virus (S-OtrH3N2) has been reported in 5 states with a total of 12 cases. California has no cases but heightened surveillance is being requested.