3 WITH A MOSQUITO DENSITY OF AE.AEGYPTI> 0.3 BIRDS / HOUSE, THE S...

1-3 with a mosquito density of Ae.aegypti> 0.3 birds / house, the second peak is from September to November with a density of> 0.4 head / house. . The index of houses with mosquitoes Ae.aegypti in Dien Khanh monitored for 3 years showed that on average> 20% of houses had mosquitoes, of which 2 peaks had a high percentage of houses having mosquitoes from January to March. rate> 30% and the second peak from September to November with the rate of approximately 40% of houses having mosquitoes. The results are consistent with the author Vu Trong Duoc's description (2011) on the mosquito density in the dengue outbreaks during the investigation [131]. Using cross-sectional survey method 2 times in the dry and rainy season, 2011. The results recorded both Aedes aegypti and Aedes albopictus mosquitoes in Hanoi. Both Aedes aegypti and Aedes albopictus mosquitoes are found in the inner city and the buffer zone, while only Aedes albopictus mosquitoes are found in the suburbs. Breteau index of Ae.aegypti mosquito in Dien Khanh monitored for 3 years showed that Breteau index increased high in January 1-3 and lowest in June, then peaked in October and November. In 2015, the Breteau Index fluctuated abnormally in March to 61 (2015). In 2015, the Breteau Index climbed as high as 90 in October.