For activities at the different levels of care, see our manual folder Principles and Practice of PHC (Section 5.2)
Major websites on HIV/AIDS are at WHO, Aids Alliance, UNAIDS and UNFPA
AVERT has a comprehensive section on various kinds of HIV programming including prevention
The Communication Initiative Network has a dedicated HIV/AIDS Network
Useful for carers is our manual folder Interviewing & Counselling at the Grass Roots
AIDSmap have treatment resources including apps and online tools
Engender Health offers some online courses to bring you up-to-date on HIV/AIDS
The Eldis database contains several hundred articles related to HIV and Gender