| epidemiology and control of an outbreak of classical swine fever in wild boar in switzerland. | an outbreak of classical swine fever in wild boar in the southern part of switzerland (canton of ticino) was investigated after the implementation of control measures in a defined infected area (the risk zone), and in a surrounding surveillance zone (the non-risk zone). after the disease had been detected, hunting was not allowed in the risk zone for over six months, during which the disease was left to run its course, but hunting was continued in the non-risk zone for one month. after seven mon ... | 2002 | 11842816 |