epidemiology & animal disease control programmes

摘要

Classical swine fever (CSF) is a contagious viral disease of pigs and hasaffected pig farms in El Salvador since 1937. In 1995, actions were taken tocontrol and eradicate CSF from the country using strategic measures comprisingring vaccination around high-risk zones and control of outbreaks. Economic lossesat that time were estimated to be about 4.5 million dollars per year. In 1997, the campaigns were carried out in the following areas: immunisation,sanitary education, raising awareness, training of field technicians and diagnosticcapacity building. The control strategy for the disease was subsequently modifiedin order to create CSF free zones while maintaining protection at the national level,through vaccination in the zone defined as an 'epidemiological corridor' (zonesconsidered to be at high risk because of a history of persistent outbreaks of thedisease).