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Cleanliness campaign and surveillance program of outdoor dengue vector breeding sources in Southern

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In September 2015, cases of dengue fever/dengue hemorrhage fever were reported in southern Taiwan (Tianan City and Kaohsiung City), including death cases. To effectively reduce the sources of dengue vectors, the government conducted 5 stages community-based cleanliness campaign. The purposes of this study were to evaluate the effectiveness of the campaign, understand the public’s knowledge, attitude and behavior of dengue control and carry out the health education. The sources of dengue vectors were evaluated according to changes in the ovitrap index. The public’s knowledge, attitude and behavior were investigated by a survey questionnaire. The ovitrap indices declined 12-20% in the first stage areas after one month. The ovitrap indices declined 17-28% in the second stage areas after one month. The ovitrap indices declined 0-20% in the third stage areas after one month. The ovitrap indices declined 0-40% in the fourth stage areas after one month. The ovitrap indices declined 0-100% in the fifth stage areas after one month. The 5 stages community-based cleanliness campaign was effective to eliminate container habitats of the dengue vectors and in turn reduce the ovitrap index. In addition to, we randomly selected 150 the residents lived in the first stage areas for realizing the public’s knowledge, attitude and behavior of dengue control. The questionnaires were completed 109 and response rate was 72.67%. All most residents knew mosquitoes transmit dengue dengue fever (94.5%), but only 57.8% of residents knew the dengue vector biting was in the daytime. Personal protection of health education will have to emphasize on preventing for dengue vector biting during daytime. Residents had water-filled containers in the indoor and outdoor environments were 39.4% and 51.4%, respectively. In the behaviors of cleaning water-filled containers regularly every week were 52.3% and 45.8%, respectively. It will be necessary to educate residents to remove unused containers for reducing these resources of dengue vectors.
Keyword
dengue, mosquito vectors, cleanliness campaign
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