Travel-Associated Infections and Diseases

CDC Yellow Book™ 2026: Section 4
For Health Care Providers

Purpose

Healthcare professionals can prepare international travelers for travel-associated infections and diseases.

Chapters

This image shows numerous Chikungunya virus particles composed of a central dense core, surrounded by a viral envelope.
Chikungunya
Learn how to diagnose, treat, and prevent chikungunya in international travelers.
This image shows microscopic, purple cholera bacteria against a black background.
Cholera
Learn how to diagnose, treat, and prevent cholera in international travelers.
This image shows microscopic SARS-CoV-2 viruses, as gray spheres with red spikes on them.
COVID-19
Learn how to diagnose, treat, and prevent COVID-19 in international travelers.
This illustration shows microscopic dengue viruses with blue, red, and black matter forming a sphere.
Dengue
Learn how to diagnose, treat, and prevent dengue in international travelers.
Hepatitis A
Hepatitis A
Learn how to diagnose, treat, and prevent hepatitis A in international travelers.
Influenza
Influenza
Learn how to diagnose, treat, and prevent influenza in international travelers.
This image shows microscopic Japanese Encephalitis virus as blue, green, and gray colored spheres.
Japanese Encephalitis
Learn how to diagnose, treat, and prevent Japanese encephalitis in international travelers.
Leishmaniasis
Leishmaniasis
Learn how to diagnose, treat, and prevent cutaneous and visceral leishmaniasis in travelers.
Leptospirosis
Leptospirosis
Learn how to diagnose, treat, and prevent leptospirosis in international travelers.
This image shows microscopic red blood cells and Malaria viruses with smaller red and purple spheres in the middle.
Malaria
Learn how to diagnose, treat, and prevent malaria in international travelers.
Measles (Rubeola)
Measles (Rubeola)
Learn how to diagnose, treat, and prevent measles in international travelers.
Meningococcal Disease
Meningococcal Disease
Learn how to diagnose, treat, and prevent meningococcal disease in international travelers.
This image shows microscopic, blue, spherical viruses.
Norovirus
Learn how to diagnose, treat, and prevent norovirus in international travelers.
Poliomyelitis
Poliomyelitis
Learn how to diagnose, treat, and prevent poliomyelitis in international travelers.
This image shows microscopic rabies with hair-like fibers on purple, oblong shaped viruses.
Rabies
Learn about pre-exposure and post-exposure strategies to minimize rabies risk in travelers.
Rickettsial Diseases
Rickettsial Diseases
Learn how to diagnose, treat, and prevent rickettsial diseases in international travelers.
Close up of the parasitic worm that causes Schistosomiasis.
Schistosomiasis
Learn how to diagnose, treat, and prevent schistosomiasis in international travelers.
Tick-Borne Encephalitis
Tick-Borne Encephalitis
Learn how to diagnose, treat, and prevent tick-borne encephalitis in international travelers.
Tuberculosis
Tuberculosis
Learn how to diagnose, treat, and prevent tuberculosis in international travelers.
Typhoid and Paratyphoid Fever
Typhoid and Paratyphoid Fever
Learn how to diagnose, treat, and prevent typhoid and paratyphoid fever in international travelers.
This image shows microscopic Yellow Fever as yellow, orange, and green spheres with cloudy yellow-orange background.
Yellow Fever
Learn how to diagnose, treat, and prevent yellow fever in international travelers.
Zika
Zika
Learn how to diagnose, treat, and prevent zika in international travelers.

Go to table of contents

A person overlooking Machu Picchu. Text: 2026 CDC Yellow Book. Available in print through Oxford University Press and other retailers.
Table of Contents
Browse through a catalog of travel medicine topics for healthcare professionals.
Print
Content Source:
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)