A to Z (GDRI) - Geographical Disease
C
- Cambodia
- Cameroon
- Canada
- Cape Verde
- Caribbean
- Cayman Islands
- Central African Republic (CAR)
- Chad
- Chile
- China
- Christmas Island
- Cocos Islands (Keeling Islands)
- Colombia
- Comoros
- Congo, Democratic Republic of the (DRC)
- Congo, Republic of the
- Cook Islands
- Costa Rica
- Cote d'Ivoire (Côte d'Ivoire)
- Croatia
- Cuba
- Curacao (Curaçao)
- Cyprus
- Czechia (Czech Republic)
O
Q
S
- Saint Barthelemy (St. Barts)
- Saint Helena, Ascension and Tristan da Cunha
- Saint Kitts and Nevis
- Saint Lucia
- Saint Martin
- Saint Pierre and Miquelon
- Saint Vincent and the Grenadines
- Samoa
- San Marino
- Sao Tome and Principe (São Tomé and Príncipe)
- Saudi Arabia
- Senegal
- Serbia
- Seychelles
- Sierra Leone
- Singapore
- Sint Maarten
- Slovakia
- Slovenia
- Solomon Islands
- Somalia
- South Africa
- South Georgia and the South Sandwich Islands
- South Korea
- South Sudan
- Spain
- Sri Lanka
- Sudan
- Suriname
- Svalbard and Jan Mayen
- Sweden
- Switzerland
- Syria