If the Salmonella Typhi O ratio is 1:80, is there any problem?

Patient with the ratio 1:80 for O is not a serious probelm but it is possible that fever may b there but an active infection is seen when its value is more than 1:100. read more

Salmonella typhi H and O titres greater than or equal to 1: 160 occurred in respectively 82% and 58% of typhoid fever patients; only 4% of healthy individuals and 8% of non-typhoid patients had Widal titres greater than or equal to 1: 80. read more

Salmonella typhi is a rod shaped gram negative bacteria that is the causative agent of Typhoid. Typhoid fever or Enteric fever is an infectious bacterial disease got through intake of contaminated food or water. read more

Culture isolation of Salmonella typhi from blood and bone marrow is the standard diagnostic test to confirm typhoid fever. Even the rapid test is better than the Widal. The Widal test is an agglutination test for the detection of agglutinins (antibodies) for H and O antigen for Salmonella typhi and S. paratyphi A and B. read more

The usefulness of a single Widal test to diagnose typhoid fever in Ethiopia was investigated in three study groups both retrospectively and prospectively. These were blood culture proven typhoid and non-typhoid patients and healthy individuals. read more