Salmonella Typhi : Causes and Prevention Salmonella Typhi , the causative agent of typhoid fever, remains a significant public health challenge globally, particularly in regions with inadequate sanitation and water supply systems. To address this infectious disease effectively, understanding its causes, symptoms, risk factors, and preventive measures is crucial. 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 ... Salmonella typhi is defined as a highly virulent and aggressive intestinal bacterium that exclusively infects humans, typically acquired through the ingestion of food or water contaminated by feces from infected individuals. It is a Gram-negative, facultative anaerobic, rod-shaped bacterium that lacks spores and capsules. AI generated definition based on: High-Risk Pollutants in Wastewater, 2020 Typhoid Fever is caused due to the bacteria Salmonella Enterica Serotype Typhi . Understand the causes, symptoms, and treatment methods.