Pattamaporn KittayapongSutee YoksanUruyakorn ChansangChitti ChansangAmaret BhumiratanaMahidol University2018-07-122018-07-122008-01-01American Journal of Tropical Medicine and Hygiene. Vol.78, No.1 (2008), 70-76000296372-s2.0-39549088308https://repository.li.mahidol.ac.th/handle/20.500.14594/19381A serological survey of primary school children from six schools in Chachoengsao Province, Thailand, was performed at the end of the peak of dengue transmission. GIS analysis of sero-positive cases was carried out to determine transmission foci. Vector control implementation was conducted in the foci and also within 100 meters around the foci in the treated areas by community participation in collaboration with the local government. Vector control strategies included source reduction together with the use of screen covers, a combination of Bacillus thuringiensis subsp. israelensis and Mesocyclops thermocyclopoides, and lethal ovitraps. Implementation of vector control strategies in the foci was continued until the end of the rainy season. Vector control effectiveness was monitored using entomological, serological, and clinical parameters. Results showed a significant reduction of dengue vectors as well as a decrease in sero-positive children and clinical cases in treated areas when compared with untreated areas. Copyright © 2008 by The American Society of Tropical Medicine and Hygiene.Mahidol UniversityImmunology and MicrobiologyMedicineArticleSCOPUS