The hog cholera virus found in a recent outbreak in the central Japan city of Gifu may have been brought from abroad, an analysis by the farm ministry showed Friday.The gene sequences of the virus were different from those that previously caused swine fever outbreaks in Japan, according to the Agriculture, Forestry and Fisheries Ministry.Meanwhile, a wild boar found dead Thursday within a 10-kilometer radius of a farm where the latest outbreak occurred earlier this month tested positive for hog cholera, the Gifu prefectural government said.The boar will undergo further detailed tests carrie…READ FULL ARTICLE