Summary
Jn the context of a surveillance programme for infectious diseases in Belgium, a network of microbiological laboratories, since February 1983, weekly registers the isolation of a number of pathogenic agents, among which Campylobacter. Some epidemiological characteristics of Campylobacter in Belgium are discussed. Between 54 and 58 % of the isolations are reported from males. About 50 % of the eases arc observed in children under 5 years of age. The mean weekly number of isolations per laboratory is rising in May and remains high until October-November.