आथिखालनि खानथिया संदान्नाय फोरमान आरो सुबुं सानखो नायगिदिंनाय मोन्नैखौ लानानै जादों , जाय 2005 माइथायनि डिसिम्बर आरो 2006 माइथायनि आगष्ट दाननि गेजेराव 200 , 000 ( 15 - 54 बैसोनि ) सासो सुबुंनि थैनि नमुनानि आनजाद लानायजों लोगोसे मोगा - मोगि सोंथि लादोंमोन ।
The latest methodology involved both from approximately 400 centers and a population based survey which tested blood samples and covered about 200 000 people ages 15 54 including face to face interviews across the country between December 2005 and August 2006 .