The Lesotho Population-based HIV Impact Assessment (LePHIA) began fieldwork in November 2016, concluded in May 2017, and announced results in November 2017. In Lesotho, survey teams visited approximately 10,000 households, interviewed participants, and provided HIV counseling and testing. Details on the findings can be found below.

Key Preliminary Findings

LePHIA key preliminary findings among adults ages 15 to 59:

    • HIV incidence: 1.10%
    • HIV prevalence: 25.6%
    • Viral load suppression: 67.6%
    • 90-90-90: 81% of people living with HIV (ages 15 to 59) in Lesotho report knowing their status, 91.8% of those individuals self-report being on ART, and 87.7% of that group are virally suppressed

Lesotho Summary Sheet

Slides with Figures and Maps

Additional Photos from LePHIA


LePHIA fieldworkers ride horseback to conduct home visits in rural Lesotho. 

His Majesty King LetsieIII and The Honourable Minister of Health

His Majesty King Letsie III of Lesotho reviews materials announcing LePHIA results on World AIDS Day, December 1, 2017. 


Her Majesty Queen 'Masenate Mohato Seeiso of Lesotho speaking on LePHIA. 


LePHIA fieldworker preparing to conduct a home visit. 

LePHIA in the News


Sunday Express: Queen launches HIV impact assessment

Queen Masenate Mohato Seeiso has called on Basotho to cooperate with researchers undertaking the Lesotho Population Based HIV Impact Assessment (LePHIA) to ensure the gathering of vital information in the fight against the pandemic.