KSU conducts first US livestock study with Japanese encephalitis virusJune 20, 2018North American domestic pigs could be susceptible to Japanese encephalitis virus infections, according to a study by Kansas State University (KSU) College of Veterinary Medicine researchers. The study, believed to be the first of its kind in the U.S., was published recently in Scientific Reports. "Collectively, our study demonstrates for the first time that North American domestic pigs can contribute to the Japanese encephalitis virus transmission cycle as amplifying hosts," said So Lee Park, a third-year veterinary student and concurrent doctoral student in pathobiology who was first author of the study. Japanese encephalitis virus is a mosquito-transmitted flavivirus that has human and veterinary health significance. The virus is the leading cause of vaccine-preventable encephalitis in Asia and the western Pacific, according to the Centers for Disease Control and Prevention (CDC). The virus can be maintained in a cycle between mosquitoes and vertebrates, mainly pigs and wading birds. While most human infections are mild, a small percentage of people develop encephalitis. About 1 in 4 cases of Japanese encephalitis are fatal, the CDC stated. The virus in swine can cause encephalitis in piglets and reproductive diseases in mature adult pigs. The KSU study suggests …
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