Health Care Professionals Often Come into Contact with Very Sick

Health care professionals often come into contact with very sick patients many of whom have contagious illnesses. Which of the following groups of patients is it ethically acceptable to decline to serve because of the risk these patients may pose to the professional's personal health?

A) People with HIV/AIDS
B) People with viral hepatitis
C) People exposed to agents of biological warfare
D) People infected by multi-drug resistant tuberculosis
E) None of the above