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.