Child well-being

This archive tracks real progress in child well-being — from advances in nutrition, education, and mental health to policies that expand opportunity for young people worldwide. Each story focuses on what’s working and why, grounded in evidence rather than optimism alone.

Black baby boy, for article on mother-to-child HIV transmission

Botswana reduces mother-baby HIV transmission rates from 40% to below 1% since 1999

Mother-to-child HIV transmission in Botswana has plummeted from 40% in 1999 to below 1% today, with seven health districts recording zero cases in 2021. The country built its success on three simple pillars — free testing, free antiretroviral treatment, and community health workers who visit pregnant women at home to walk them through the process. Nearly every pregnant woman with HIV now receives treatment, up from just 27% two decades ago. In December 2021, Botswana became the first high-burden country to earn the WHO’s silver tier recognition for this work. It’s a powerful blueprint for the rest of sub-Saharan Africa: when care is free, trusted, and close to home, an AIDS-free generation moves within reach.

Baby sleeping, for article on SIDS biomarker

Landmark study finds first biomarker to detect babies at risk of SIDS

SIDS has resisted explanation for generations, but researchers have now found the first biological signal present at birth that distinguishes vulnerable infants from others. Australian scientists discovered that babies who died of SIDS had measurably lower levels of an enzyme called butyrylcholinesterase — which helps regulate the brain’s arousal response — in routine newborn blood samples. That same heel-prick screening already happens in hospitals worldwide, meaning a future test could fit into existing programs with little disruption. This finding gives researchers a concrete target for the first time, and brings the dream of preventing these devastating losses meaningfully closer.