Some of the most common health problems linked with travel to developing countries are:
- Traveler's diarrhea. This is by far the most common risk. It affects up to 4 out of 5 international travelers, based on their destination.
- Enterotoxic E. coli diarrhea.
- Malaria.
- Acute febrile respiratory tract infections.
- Influenza.
Less common infections may also be a risk in certain areas. Some are related to sexual contact with an infected person. Less common infections include:
- Hepatitis (A, B, and C).
- Gonorrhea.
- Animal bites with rabies.
- Typhoid and paratyphoid fever.
- HIV.
- Legionella.
- Cholera.
- Meningococcal disease.
- Dengue fever.
- Prion diseases.
- Yellow fever.
- Tuberculosis.
- SARS (severe acute respiratory syndrome).
- Poliomyelitis.
- COVID-19.
For the most current CDC travel advisories, visit the CDC Traveler's Health website.