Which of the Following Statements Concerning Infectious Diseases in the United

Which of the following statements concerning infectious diseases in the United States today is true?

A) They account for 25% of all physician visits and are still a major cause of death.
B) They are not a community/public health problem in the United States.
C) They are a major source of morbidity in the world,but not in the United States.
D) They are rarely fatal in the United States.