Which one of the following antimicrobial drugs is suitable for the treatment of both tuberculosis and leprosy?

Which of the following is a diagnostic test for typhoid?

Which antibiotic is used for the treatment of tetanus?

Given below are two statements $:$
Statement-$I$ : Typhoid fever can be confirmed by the Widal test.
Statement-$II$ : Intestinal perforation and death may occur in severe cases of typhoid.
In the light of the above statements,choose the correct answer from the options given below $:$

Which of the following stages of syphilis is characterised by a skin rash,fever and aches in the joints and muscles?

Symptoms of diphtheria include