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Typhoid Fever and Paratyphoid Fever
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 About
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 Clinical Overview
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 Surveillance
																							Global Typhoid Fever Vaccination
																							Laboratory Information
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Clinical Overview of Typhoid Fever and Paratyphoid Fever


Purpose
 This page provides a brief overview of typhoid fever and paratyphoid fever characteristics, including transmission and risk factors.
It also highlights current trends in antimicrobial resistance.
Information on identifying, diagnosing, and treating these diseases is available on the Clinical Guidance page.
 An illustration of a group of Salmonella typhi bacteria floating in liquid. They are rod-shaped with little strands, or flagella, coming off each of them.
 Overview Transmission *Salmonella* Typhi and *Salmonella* Paratyphi are transmitted commonly through the consumption of drinking water or food contaminated by feces from an ill person or carrier. Risk factors Risk for infection is greatest among people who Travel to countries in Africa, Asia, or Latin America where the diseases are common
Visit rural areas of those countries
Visit family and friends in those countries
Are not vaccinated against typhoid fever Most people in the United States with typhoid fever (85%) and paratyphoid fever (80%) report international travel in the 30 days before their illness. Most (70%) of these people traveled to South Asia (e.g., India, Bangladesh, Pakistan). Incubation The incubation period for typhoid fever is typically 6 to 30 days, and 1 to 10 days for paratyphoid fever.
 Trends Extensively drug-resistant (XDR) typhoid fever An outbreak of XDR typhoid fever began in Pakistan in 2016. Cases of XDR typhoid fever, including among people in the United States, continue to occur. See CDC's Travel Health Notice >
Cases of XDR typhoid fever also have been reported in the United States among people without recent international travel. See CDC's health advisory > Keep Reading: National Typhoid and Paratyphoid Fever Surveillance
  May 14, 2024 Sources Print Share
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 National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)


Typhoid Fever Typhoid fever and paratyphoid fever are life-threatening illnesses. Learn about how they spread, risk factors, and how you can prevent infections. View All
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Contact Us Contact Us  Call 800-232-4636
						Contact CDC
 About CDC Mission & Organization
						Budget & Funding
						Careers & Jobs
						About CDC
 Policies Accessibility
						External Links
						Privacy
						Web Policies FOIA
						OIG
						No Fear Act
						Nondiscrimination
						Vulnerability Disclosure Policy
 Languages Languages Español
						Multilingual Content Language Assistance Español
						繁體中文
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