Abstract
BackgroundThe close contact between cats and humans poses a threat to public health because of the potential zoonotic transmission of influenza viruses to humans. Therefore, we examined the seroprevalence of pandemic H1N1/09, canine H3N2, and human H3N2 viruses in pet cats in northern China from 2010 to 2014.FindingOf 1794 serum samples, the seropositivity rates for H1N1/09, canine H3N2, and human H3N2 were 5.7%, 0.7%, and 0.4%, respectively. The seropositivity rate for H1N1/09 in cats was highest in 2010 (8.3%), and then declined continuously thereafter. Cats older than 10 years were most commonly seropositive for the H1N1/09 virus.ConclusionsOur findings emphasize the need for continuous surveillance of influenza viruses in cats in China.
Highlights
The close contact between cats and humans poses a threat to public health because of the potential zoonotic transmission of influenza viruses to humans
In China, the canine H3N2 and H1N1/09 influenza viruses circulate in dogs [4], and the seasonal H3N2 and H1N1/09 viruses are prevalent in humans [5,6], any of which might be transmitted to cats
Neither H1N1/09, canine H3N2, nor human H3N2 has previously been isolated from cats in China, we provided serological evidence that these viruses infected cats in this country
Summary
The close contact between cats and humans poses a threat to public health because of the potential zoonotic transmission of influenza viruses to humans. In China, the canine H3N2 and H1N1/09 influenza viruses circulate in dogs [4], and the seasonal H3N2 and H1N1/09 viruses are prevalent in humans [5,6], any of which might be transmitted to cats. We examined the seroprevalence of the pandemic H1N1/09, canine H3N2, and human seasonal H3N2 influenza viruses in cats in northern China from January 2010 to June 2014.
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