1/ Monovalent vaccines do not cross-protect with other strains. Both H3N8 and H3N2 are viruses that cause respiratory infection in dogs. H3N8 originated from equine in 2004. H3N2 originated from avian in 2005.
2/ Diagnostic testing for H3N8 is difficult. Infection resembles other viral/bacterial pathogens that cause infectious respiratory dz complex. H3N8 virus is shed for 7 days, with decreasing shed at 5 days. H3N2 virus is intermittently shed for up to 20 days.
3/ One or both strains have been found in 46 out of 50 states of U.S. Only states with no confirmed cases North Dakota, Nebraska, Hawaii, and Alaska.
4/The Kennel and Boarding Safety Recommendations: "Social dogs, including those that are boarded, groomed, group-trained or group-walked, are at more risk of dz
5/ The 2017 AAHA Vaccination Guidelines state: " Any dog deemed at risk for exposure to influenza virus should be vaccinated against both H3N2 and H3N8.
**SFAH does carry a bivalent vaccine with both strains H3N8 and H3N2. The vaccinations is administered initially with two boosters, 3 to 6 weeks apart. Then annually thereafter. H3N8/H3N2 vaccine is $41.00 per booster.