NEET BIOLOGY

Detailed explanation-1: -The Widal tube agglutination test, which is almost 100 years old, has been widely used in the serologic diagnosis of typhoid fever in Turkey. Clinicians in Turkey generally consider a titer of ≥1/200 as diagnostic of typhoid fever. This is the first study done in Turkey to assess the significance of the Widal test.

Detailed explanation-2: -The Widal test detects agglutinating antibodies against the O and H antigens of S. Typhi. The Widal test was developed over a century ago and remains one of the world’s most widely used diagnostic tests but suffers from significant limitations in its sensitivity and specificity, as well as reliability.

Detailed explanation-3: -A culture test is the most common diagnostic test. But other testing may be used to confirm typhoid fever. One is a test to detect antibodies to typhoid bacteria in your blood. Another test checks for typhoid DNA in your blood.

Detailed explanation-4: -Widal test means to detect typhoid causing bacteria in the bloodstream of the patient through the agglutination biochemical test. Often, people search for the full form of Widal. The fact is, Georges Ferdinand Widal developed the test, and so the name of the test is called the Widal test after him.