The Typhi Dot IgM test looks for IgM antibodies to the bacteria Salmonella typhi, which causes typhoid fever. Typhoid is primarily spread through contaminated food and water, and symptoms include fever, loss of appetite, stomach pain, and diarrhoea. If particular antibody titers (IgM and IgG) are required, the Widal test is recommended. The Typhi dot IgM test in Delhi detects IgM antibodies against Salmonella typhi. These antibodies are generated in response to the Salmonella typhi species' outer membrane protein (OMP). The test results for Typhi dot IgM in Delhi are usually available within 2 or 3 days of infection. It identifies the IgM antibody on its own. The presence of IgM antibodies suggests that the infection was recent, but IgG antibodies show that the infection was foreign