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Serological evidence of canine herpesvirus-1 in dogs of Kerman city, south-east of Iran.

Canine herpes virus-1 (CHV-1) is an alphaherpesvirus, which causes foetal and neonatal death as well as fertility problems in dogs. The virus is presumed to be enzootic in dogs all over the world, but no information was found about the seroprevalence of CHV-1 from middle-east countries. Therefore, this study was aimed to determine the seroprevalence of CHV-1 among dogs in Kerman (south-east of Iran). Blood samples were taken from 47 privately owned and 35 kennelled dogs, respectively. The entire sampled dogs were apparently healthy. Indirect immunofluorescence antibody (IFA) assay was used to detect antibodies against CHV-1 in all sera. The overall CHV-1 seroprevalence was estimated 20.7%, which was 22.9% and 19.1% for kennelled and owned dogs, respectively. Sex, parity and raising status (owned or kennels) did not differ significantly between seropositive and seronegative dogs. However, the infection rate was significantly higher in dogs older than 3 in comparison with younger groups (15.9% vs. 4.8%, P ≤ 0.05). In conclusion, this study revealed that CHV-1 could be considered endemic in Iran, and more epidemiological researches are needed to identify the geographical distribution of diseases in Iran.