| Crimean-Congo hemorrhagic fever | Serbia and Montenegro, South Africa |
| Dengue | < Worldwide >, Australia, Burkina Faso, Cuba, Djibouti, India, Malaysia, United States |
| Diphtheria | Denmark, Sweden |
| Dracunculiasis | Nigeria |
| Enterovirus infection | Clinical Notes, American Samoa, Belgium, China, France, India, Madagascar, Mexico, Nigeria, Pakistan, South Africa |
| Escherichia coli diarrhea | < Worldwide >, South Africa, United States |
| Fascioliasis | Cuba |
| Gastroenteritis - viral | < Worldwide >, Canada, New Zealand, South Africa, United States |
| Giardiasis | United States |
| Gonococcal infection | Malawi, Sweden, United States |
| HIV infection - initial illness | United States |
| Hantavirus infection - Old World | China, Greece, Russian Federation, United Kingdom |
| Hepatitis A | < Worldwide >, Croatia, India, Japan, Marshall Islands, Panama, Singapore, United States |
| Hepatitis B | Pakistan, Reunion, United States |
| Hepatitis C | Pakistan |
| Hepatitis D | Venezuela |
| Hepatitis E | Algeria, India |
| Herpes simplex infection | United Kingdom, United States |
| Histoplasmosis | United States |
| Influenza | < Worldwide >, Ivory Coast, Mexico |
| Japanese encephalitis | < Worldwide >, India |
| Kawasaki disease | Canada, United States |
| Kikuchi's disease and Kimura disease | < Worldwide > |
| Legionellosis | < Worldwide >, Italy, Spain, United Kingdom, United States, Virgin Islands, U.S. |
| Leishmaniasis - cutaneous | Israel, Venezuela |
| Leishmaniasis - visceral | Brazil, India |
| Leptospirosis | Canada, Cuba, United Kingdom, United States |
| Listeriosis | New Zealand, United States |
| Measles | < Worldwide >, Brazil, Ethiopia, Honduras, Hungary, India, Ireland, Puerto Rico, United States |
| Meningitis - aseptic (viral) | Belgium, France, Poland, Romania, South Africa |
| Meningitis - bacterial | China, Ethiopia, India, Nigeria, Norway, United Kingdom |
| Monkeypox | Democratic Rep. of Congo |
| Mumps | United States |
| Mycoplasma pneumoniae infection | Japan, New Zealand, Thailand |
| Orbital and eye infections | Malawi |
| Ornithosis | Norway |
| Parvovirus B19 infection | Canada, Japan, Scotland, Sweden, United Kingdom |
| Pertussis | Croatia, Finland, Japan, United States |
| Pharyngitis - bacterial | United States |
| Pleurodynia | South Africa |
| Poliomyelitis | Clinical Notes, < Worldwide >, Costa Rica, Honduras, Israel, Madagascar, Netherlands, New Caledonia, South Africa, Taiwan, United States |
| Q-fever | Bosnia and Herzegovina, Canada, Croatia, Spain, Switzerland, United Kingdom |
| Rabies | Guyana, Indonesia, Liberia, Serbia and Montenegro, United States |
| Respiratory syncytial virus infection | Austria, France, United States |
| Reye's syndrome | < Worldwide > |
| Ross River disease | Australia |
| Rotavirus infection | Canada, China, Scotland, South Africa, Sweden |
| Rubella | Brazil, Ireland, Italy, Japan, Thailand, United States |
| Salmonellosis | Clinical Notes, Australia, Brazil, Canada, India, Norway, Poland, United States, Zimbabwe |
| Shigellosis | Canada, China, India, Netherlands, Rwanda |
| Smallpox | Australia |
| Syphilis | Sweden, United States |
| Taeniasis | United States |
| Toxic shock syndrome | < Worldwide > |
| Toxoplasmosis | Australia, Lebanon |
| Trichinosis | France, Germany, Israel, Lebanon, Mexico, Poland, Russian Federation, Thailand, United States |
| Trypanosomiasis - African | Thailand, Uganda |
| Tuberculosis | Ireland, Japan, United Kingdom |
| Tularemia | Norway |
| Typhoid and enteric fever | China, Turkey, United States, Zambia |
| Varicella | United States |
| Vibrio parahaemolyticus infection | Japan |
| Yellow fever | Ghana, Peru |