Gram Negative Bacilli
True statement about widal test in typhoid is:
|A||Widal test is confirmative in endemic areas|
|B||Antibiotic treatment does not alter widal test results|
|C||Previous infection alters widal test|
|D||Widal test does not alter with prior vaccination|
a. Prior infection can lead to false positive result.
b. Antibiotic treatment can inhibit the formation of antibodies.
c. In endemic areas a base line titer of antibodies has to be found to interpret the result of widal.