Respuesta :

A. Bacteria in unclean water.

Answer: Bacteria in unclean water.

Explanation:

Typhoid is a bacterial infection caused by Salmonella Typhi. It spreads through contaminated water or food. Symptoms can include high fever, nausea, fatigue, headache, diarrhea, and vomiting. Some times a rash may appear.  Critical cases may drive to severe complications or even become a life-threatening infection.