本文讨论了撒哈拉以南非洲地区HIV感染和死亡情况，以及一项创新疫苗研发会议因美国新行政命令冻结对外援助而面临中断，直到南非研究人员提出新计划。
HIV continues to infect and kill people disproportionately in sub-Saharan Africa.
Early last year, a hundred researchers, clinicians and other experts on HIV discussed the development of an innovative vaccine that could prevent the disease.
But just as the meeting was about to wrap up, the mood darkened.
A new executive order signed by President Trump on the day of his inauguration, Jan. 20, 2025, had frozen all foreign aid pending a review. Soon, DOGE would begin its decimation of USAID — and with it, this vaccine trial. That is – until the South African researchers came up with a new plan.