National serosurvey of encephalomyocarditis virus in healthy people and pigs in China

Archives of Virology
Ruofei FengZhongren Ma

Abstract

Encephalomyocarditis virus (EMCV) is a zoonotic pathogen that has a wide spectrum of host range. The virus has been discovered on swine farms worldwide and can cause acute fatal myocarditis in piglets and reproductive disorders in sows. Although EMCV infection has been documented in farmed pigs in China, seroprevalence in humans has not been reported. In this study, we conducted nationwide serological surveys for EMCV in humans and farmed pigs in China in 2013, by the use of a double antigen sandwich ELISA method. A total of 3305 serum samples from healthy people were obtained from seven geographical regions in China, of which 1010 samples (30.56%) were positive for EMCV antibodies. The overall seroprevalence for EMCV in the age groups of 0-20, 21-40, 41-60 and >60 years were 13.5%, 30.25%, 36.83% and 38.71% respectively, showing a tendency of increasing with age (P = 0.000). A total of 3470 serum samples from farmed pigs were collected and tested for antibodies to EMCV. A high seroprevalence of 77% was recorded, and significant regional differences were observed. It was concluded that people and pigs in China were commonly infected by EMCV. In addition, in order to characterize changes of seroprevalence during natural EMCV inf...Continue Reading

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Citations

Mar 30, 2017·Scientific Reports·Ya-Kun LuoShang-Jin Cui
Jun 5, 2018·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Shaomin QinPeter D Kirkland
Feb 4, 2021·The Journal of General Virology·Mai KishimotoMichihito Sasaki

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