Lenacapavir, which protects people from H.I.V. infection with twice-yearly shots, is arriving in a country where the health system has been hollowed out by American aid cuts.
Dozens of students freshly trained as recruiters streamed into the dormitories on the sprawling green campus of the University of Zambia on a muggy morning in March. They wended their way past piles of papers, laundry and instant noodle packages, pou... [974 chars]