Kelvin entered the world too soon, too small, and far too fragile to survive on his own. Weighing just 2.5 pounds, his tiny body struggled to do what full-term newborns can do with ease: stay warm. At a rural health center in central Zambia, the skilled birth attendant who delivered him immediately saw the signs of danger. Kelvin needed urgent, specialized neonatal care. But the nearest hospital was hours away and, for a preterm baby, every minute of cold can be life-threaten