New efforts are trying to gauge future demand for healthcare products, especially vaccines for neglected diseases

New findings indicate that natural killer cells can respond to target cells in a peptide-specific manner and could be involved in the memory response to specific antigens, suggesting that their role in antiviral immunity should be reassessed

Researchers are studying the use of licensed antiretrovirals to prevent—rather than treat—HIV infection

By Kristen Jill Kresge

Two preventive AIDS vaccine trials begin