Which of the Following Statements Is True About a Vaccine

Multiple Choice

Which of the following statements is true about a vaccine for tuberculosis TB) ?

A) There is no vaccine for TB but one is under development.
B) There is a vaccine for TB but it causes severe reactions so is only among people with HIV infection.
C) There is a vaccine for TB but it has limited effectiveness so a new vaccine is under development.
D) There is vaccine for TB and it is the primary way that TB is controlled globally.