Sampling procedure for household survey and entomological inspections
On the basis of available maps, the city was stratified into high, middle and low endemic/infested areas for Selection of clusters in CucutaMap shows the 16 clusters selected in Cucuta which were visited by interviewers and vector control staffVector control staff and trained interviewers participated in the survey. They were divided into “couples” of one vector inspector and one interviewer. Each couple was assigned one cluster where they had to visit the sample houses. The interviewer did the interview with the head of household and simultaneously the inspector (local vector control staff) did the inspection of water containers both of them filling a form.