The correct answer is option D – Salmonella typhi Vi agglutination is seen in Salmonella typhi. Salmonella typhi is a gram-negative bacterium that can infect the gastrointestinal tract and the blood causing a disease commonly known as typhoid fever. Symptoms of infection often include high fever, fatigue, and headache, loss of appetite, constipation, or diarrhea.
Infection is mostly gotten through consumption of contaminated food and water. Vi antigen co agglutination is used to detect the presence of Salmonella typhi Vi antigen in the blood. This test shows a high level of sensitivity and specificity when compared with blood culture or widal titer test. It can be done to confirm the diagnosis of Salmonella typhi. This infection is treated with the use of antibiotics. I hope you find this information helpful.
Vi agglutination refers salmonella typhi. Salmonella Typhi is a bacteria that causes the bacterial infection known resulting in the Typhoid fever. The symptoms of the typhoid fever vary, and can be very severe depending on the severity of the infection.
These symptoms start after the after 6 or 30 days of exposure. In the beginning, there is a gradual beginning of the fever which later worsens and lasts for a couple of days. Weakness is a common symptom of this fever, along with abdominal unrest, constipation, and headaches. Vomiting might also result due to the abdominal unrest and the difficulty of digesting food.