The WHO Clinical Staging System for HIV/AIDS allows physicians in resource-limited settings to make clinical decisions based on patient clinical features instead of laboratory tests.
When recruiting physicians from developing countries for U.S. residency training slots there are ethical concerns that program directors and potential residents should be aware of and discuss.
Malaria, HIV and tuberculosis rage as perpetual epidemics in developing nations. Developed nations have an ethical duty and compelling socioeconomic reasons for combatting these global infectious diseases.