Found this interesting.
Use tomato juice to kill off salmonella, typhoid, and other bacteria. Wish I'd known this when I went to Egypt! Only other option is to subsist on beer.
https://www.food-safety.com/articles/9208-study-shows-antimicrobial-properties-of-tomato-juice-can-kill-salmonella
https://www.food-safety.com/articles/9208-study-shows-antimicrobial-properties-of-tomato-juice-can-kill-salmonella