Which of the Following Cases Is Considered a Positive PPD

Multiple Choice

Which of the following cases is considered a positive PPD test result with induration 5 mm or larger?

A) Individuals infected with HIV
B) Anyone in close contact with a patient newly diagnosed with TB
C) Patients who have undergone recent organ transplant
D) Person exposed to or infected with the TB bacillus in the past
E) All of the above