<prompt> All of the following are true regarding typhoid except?Urinary carriers are more dangerousVi ab is used for detecting carrierVi is seen in normal populationUrine carrier is associated with anomalies  <response>: Ans. is c i.e., Vi seen in normal population . Vi Antigen is not seen in normal population. It appears only after infection. Carriers . Bacilli presist in the gall bladder or kidney and are eliminated in the feces fecal carriers or urine urinary carrier, respectively. . The development of the carrier state is more common in women and in older age groups over 40 yrs . Carriers are the more frequent source of infection than cases. . Urinary carriage is less frequent but more dangerous than intestinal carrier - Park PSM . Urinary carrier is generally associated with some urinary lesions such as calculi or schistosomiasis. . Presence of Vi antibody indicates the carrier state. . Carriers may be following types :- 