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Asain travelers in airport

Typhoid fever and paratyphoid fever are life-threatening illnesses caused by Salmonella serotype Typhi and Salmonella serotype Paratyphi, respectively.

Most people in the United States with typhoid fever or paratyphoid fever become infected while traveling abroad, most often to countries where these diseases are common. If you plan to travel outside of the United States, find out if you need the typhoid fever vaccine at


Travel Alert

There is an ongoing outbreak of extensively drug-resistant typhoid fever in Pakistan. Travelers to Pakistan and other South Asian countries should take precautions, including getting a typhoid fever vaccination and taking extra care to follow safe food and water guidelines.

Read the alert >

Traveling Abroad?

cover of cdc yellow book 2018

Find out if you need the typhoid fever vaccine at