Although rare, people in the United States do contract Typhoid, usually after traveling to other countries. Typhoid is caused by a bacteria and can be spread when feces from an infected person gets in the drinking water. It can also spread when an infected person doesn't wash their hands thoroughly before preparing food for others. According to the CDC, symptoms include: 

• A lingering high fever 
• Weakness
• Stomach pain
• Loss of appetite
• Rash 
• Headache
• Diarrhea or constipation
• Cough

Typhoid Vaccine

If you plan to travel you should receive 1 dose at least 2 weeks prior to traveling. Four doses of the oral vaccine is another option and should be taken every other day for a week.