Medical News Today - USA
http://www.medicalnewstoday.com/sections/hiv-aids/
The latest HIV News & AIDS News articles published daily. Includes news on human immunodeficiency virus, acquired immune deficiency syndrome, antiretrovirals, maternal-child transmission, HIV complications, preventive HIV vaccines, therapeutic HIV vaccines.
HIV Medicine - Germany
http://www.hivmedicine.com/
Free medical information in the form of a downloadable annual textbook in PDF format.
Healthopedia - USA
http://www.healthopedia.com/aids.html
A medical and health consumer information resource containing comprehensive and unbiased information in patient-friendly language from trusted sources on over 1,500 health topics, 70 focussed health centers, and more than 11,000 drugs and medications.
Medline Plus - UK
http://www.nlm.nih.gov/medlineplus/aids.html
Health and medical information and news on HIV and AIDS, with online encylopedia.
Aegis (AIDS Education Global Information System) - USA
http://www.aegis.com/ni/topics/
HIV/AIDS encylopedia with information on treatment and the science of HIV.