The survey of AedesAegyptilarvae InUdonthani Province Since2011 to 2014

Abstract

Dengue fever is a public health problem in Udonthani Province for a long time. The Disease control normally focused on the mosquitoes namely AedesAegypti. Especially dealing with breeding sites since it is an easy way to get rid of mosquito and it must be done continuously. For the surveillance the abundance of mosquito larvae in the province, The Center for Vector Born Disease Control 6.2 Udonthani had conducted the Visual larval survey 2 times a year during the years 2554-2557.  The 1^st survey was conducted between January - March (before the outbreak) and the 2^nd survey was conducted between April - June (during the outbreak). The data was collected and analyzed using percentages. The 1^st survey found that the percentage of household index (HI) was 12.60, the percentage of container index (CI) was 3.83, the container found larva in 100 households (Breteau Index; BI) was 15.12, and finally the container found larva in 1000 populations (Stegomyia Index; SI) was 42.22. The most Utensils found mosquito larvae before the outbreak was the pantry saucers (13.89 percent), followed by the plant pots, the vases, the other containers,   containers were  9.84, 8.87 respectively. The 2^nd survey found that the percentage of household index (HI) was 10.79, the percentage of container index (CI) was 3.40, the container found larva in 100 households (Breteau Index; BI) was 11.75, and finally the container found larva in 1000 populations (Stegomyia Index; SI) was 39.59. The most Utensils found mosquito larvae before the outbreak was the other containers (10.38  percent), followed by the tires, the pantry saucers,  drinking containers  were  9.90, 9.16 respectively.