Ultra low volume fogging is done for:

Ref: Park 'Textbook of Preventive and Social Medicine', 22nd' edition, Pg: 728 -9 A- NVBDCP website available from style="font-size: 1.04761904761905em; font-family: Times New Roman, Times, serif">.in/Doc dengue_ I20 Director_Desk:20 DGHS: 20 meeting; 20 OCT :2006.pdfExplanation:Under the public health programme, ULV spray (fogging) is undertaken by using 95% or pure technical malathion.As a low volume spray (ULV), Malathion has been widely used for killing adult mosquitoes to prevent or interrupt dengue-hemorrhagic fever and mosquito borne encephalitis epidemicsDDT is used as indoor residual spraying for control of malariaPyrethroids is used as space sprayAbate is used to control vector breading in domestic drinking water containers such as well