Trust for America's Health http://healthyamericans.org
Health advocacy organization taking action to prevent disease and protect the health and safety of communities. Provides information and resources on coordinated tracking of diseases and potentially associated environmental factors.
World Health Organization - WHO/OMS http://www.who.org/
The United Nations public health arm. Monitors disease outbreaks, assesses the performance of health systems around the globe, maintains world epidemiological and statistical information, and other activities.