Problem
A.	Why is Widal Test commonly requested in patients suspected to have typhoid fever?
B.	What do the letters A, B, O, H stand for in the Widal Test?
C.	Which is now considered a more appropriate test for typhoid fever?
D.	What is the principle of the test asked in number 3? 5. How can one differentiate acute typhoid fever from a chronic carrier based on Widal Test result?