World Health Organisation - Headquarters, Geneva 
http://www.who.int/

International Network for the Availability of Scientific Publication (INASP)
www.inasp.info/

HIFA2015 - Healthcare Information For All by 2015 
http://www.hifa2015.org

Health InterNetwork Access to Research Initiative (HINARI)
http://www.who.int/hinari/en/

UNAIDS
http://www.unaids.org/en/default.asp

Canadian Public Health Association
http://www.cpha.ca/en/default.aspx

National Inquiry Services Centre South Africa (NISC)
http://www.nisc.co.za/

National Library of Medicine - National Institutes of Health
http://www.nlm.nih.gov/

American Library Association 
http://www.ala.org

Free Medical Journals.com : promoting free access to medical journals
http://www.freemedicaljournals.com/

HealthNet
http://www.healthnet.org/

Latest health news from All Africa.com
http://allafrica.com/health/

Internet Public Library
http://www.ipl.org/