• Retrospective surveillance of porcine circovirus 4 in pigs in Inner Mongolia, China, from 2016 to 2018

    9 days ago - By Springer

    Abstract
    A novel circovirus designated "porcine circovirus type 4" was recently reported in pigs with severe clinical disease in Hunan Province, China. Relatively little is known about the molecular epidemiology of this recently discovered virus. In order to assess the prevalence of PCV4 infection in pigs and to analyze its genomic characteristics, 1683 clinical samples were collected in Inner Mongolia, China, from 2016 to 2018. The overall infection rate of PCV4 was 1.6% at the sample level and 21.6% at the farm level, with rates ranging from 3.2% to 20.0% on different PCV4-positive pig...
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