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Association between severe drought and HIV prevention and care behaviors in Lesotho: A population-based survey 2016-2017

PLoS Medicine Feb 06, 2019

Low AJ, et al. - Considering the previous analysis of the impact of drought in Africa on HIV demonstrating an 11% greater prevalence in HIV-endemic rural areas attributable to local rainfall shocks, researchers conducted the Lesotho Population-Based HIV Impact Assessment (LePHIA) after the severe drought of 2014–2016, to reevaluate this relationship in a setting of expanded antiretroviral coverage. They determined the associations between drought and HIV outcomes via linking geospatial data on accumulated rainfall from 2014 to 2016 with data from the survey to determine. A detailed questionnaire was filled by a total of 12,887 adults ages 15–59 years, and an HIV test was undertaken by 11,682. They noted higher rates of high-risk behaviors, such as early sexual debut and transactional sex among adolescent girls and young women ages 15–24 years in rural areas of drought, in addition to lower educational attainment. Young females displayed greater HIV prevalence and young males had a lower HIV prevalence in correlation to living in a drought area. However, a greater prevalence of HIV in men and women was observed in correlation to external migration, commonly seen during these periods. They suggest considering adopting potential mechanisms to lessen the impact of income shock from natural disasters on populations vulnerable to HIV transmission.
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