The explanation for why typhoid is so prevalent in Southeast Asia is Many individuals lack access to safe drinking water.
Thus, Option C is correct.
In 1873, William Budd, a Bristol doctor who was interested in cholera and intestinal fevers, demonstrated that typhoid fever could be transmitted by a specific toxin found in excrement and that the transmission was caused by the contamination of water by patient feces.
For more information about Typhoid refer to the link:
https://brainly.com/question/15631001
#SPJ2