Thirty-five years of accelerating heat stress in Kenya: subnational patterns of hazard, exposure burden, and vulnerability in priority populations

heat stress; Universal Thermal Climate Index; heat vulnerability index; subnational health planning; maternal heat exposure; child heat exposure; older adult heat vulnerability; ERA5-HEAT; Kenya; sub-Saharan Africa; subcounty; climate and health; socioeconomic inequality; hotspot stability; population exposure burden, Social and Behavioral Sciences