You should bring water to a full rolling boil for at least one minute. [substeps] If you have an option, choose carbonated bottled water, since it is even safer than still water.
[header] How to prevent typhoid fever when you're traveling [title] Stick to bottled or boiled water. [step] Bottle water is more likely to have been purified, treated, and handled safely. If you can't get bottled water, you can boil tap water to kill the germs that cause typhoid fever.