Mariam Mohammed says her younger son died when she could not get treatment for him at a U.S.-funded clinic that had temporarily closed. Researchers say there are many thousands of cases like his.

Nature - An ambitious plan to stop the global threat of AIDS has been derailed. But many are hopeful that progress can be salvaged.

The attacks on HIV research are just the beginning of unraveling decades of progress.

Visualize the human impact of funding changes for aid and support organizations.

Brooke Nichols has launched online tracking tools that capture estimated increases in mortality and disease spread for HIV/AIDS, tuberculosis, malaria, and other diseases as a result of the near-total...