Abstract
Long term active surveillance of brucellosis was implemented in a rural area (Fokida) of Greece from 1989 to 1993 while the rural area of Grevena was selected as a control area. The computerised mapping programme was used to identify and protect the suspected animal brucellosis free zones. Health education of the inhabitants was further used to teach them how to avoid the risk factors. Three suspected brucellosis free zones were identified and two of them were successfully protected. The incidence for the 10 year period (1979-1988) was estimated at 1.4/1000/year for the study area and 1.6/1000/year for the control area. During the surveillance period the incidence in the study area dropped to 0.2/1000/year while in the control area it decreased to 1.0/1000/year. The methodology of identification and protection of suspected brucellosis free zones combined with health education proved to be efficient in reducing the incidence of the disease. The same methodology could be used in the country level, in countries where it is difficult to implement and maintain an animal control programme in the whole country.
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