STELLA, Wis. (AP) -- Kristen Hanneman made a small decision in 2022 that would upend life for her entire town. State scientists were checking private drinking water wells across Wisconsin for a widely used family of harmful chemicals called PFAS.

BLANTYRE, Malawi (AP) -- The southern African nation of Malawi began a cholera vaccination rollout this week in a bid to stem the threat of the disease that kills tens of thousands of people globally each year.