Salmonella typhi:

Salmonella Typhi , a Gram-negative rod, causes typhoid fever in humans, transmitted through contaminated food and water. Non-typhoid strains, like S. Typhimurium, cause gastrointestinal infections. Infections primarily spread via the fecal-oral route, and effective prevention includes good hygiene, proper food handling, and clean water. Treatment involves antibiotics and hydration. Typhoid fever is a life-threatening systemic infection caused by the bacterium Salmonella enterica serovar Typhi (commonly known as Salmonella Typhi ). Typhoid is usually spread through the ingestion of contaminated food or water. Typhoid occurs predominantly in association with poor sanitation and lack of clean drinking water, in both urban and rural settings. However, urbanization, with associated overcrowded populations and inadequate water and sanitation systems, as well as climate change ... Evaluation Clinical features Typhoid fever and paratyphoid fever are systemic illnesses caused by Salmonella Typhi and Salmonella Paratyphi, respectively. Both diseases have an insidious onset characterized by some or all of the following symptoms: Fever Headache Constipation or diarrhea Malaise Chills Myalgias Emesis A transient, maculopapular rash of rose spots may be present on the trunk. Severe cases may have encephalopathy, gastrointestinal bleeding, or intestinal perforation, which ... Causes A strain of bacteria called Salmonella enterica serotype typhi causes typhoid fever. People who have typhoid fever or the bacteria in their body can shed the bacteria in their stool. Salmonella enterica serotype typhi can spread in water that isn't treated to kill germs and in food that isn't cooked, such as raw fruits without a peel.