A patient receives a dose of the COVID-19 vaccine in Nigeria

As COVID-19 vaccination ramps up worldwide, understanding factors that may lead people in low- and middle-income countries (LMICs) to reject COVID-19 vaccination is of global concern, as lags in vaccination could facilitate global spread of virus variants. Researchers surveyed nearly 45,000 individuals in 10 LMICs, the United States, and Russia between June 2020 and January 2021on vaccine acceptance and trusted sources for vaccination advice.

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How do standard development programs compare to just giving people cash?

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Poor sanitation leads to major diseases, increased public health expenditures, and causes diarrhea—a leading cause of mortality in children under five. In western Rwanda, researchers evaluated the impact of community health clubs on the health and hygiene of children under five in particular. They found that the clubs had no impact on caregiver-reported rates of diarrhea among the children in the study.

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