Related Resources

Types of Gastrointestinal Illnesses

• Noroviruses
  • Facts about noroviruses on cruise ships
  • Norovirus
• Escherichia coli
• Salmonella
• Shigella
• Cryptosporidium
• Giardia

CDC Divisions and Programs

• CDC Travelers' Health
• National Center for Immunization and Respiratory Diseases (NCIRD)
• National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
  • Division of Parasitic Diseases and Malaria
• National Respiratory and Enteric Virus Surveillance System (NREVSS)