Malaria Information and Prophylaxis, by Country [C]
| Country | Areas with Malaria | Drug Resistance2 | Malaria Species3 | Recommended Chemoprophylaxis4 | Key Information Needed and Helpful Links to Assess Need for Prophylaxis for Select Countries |
|---|---|---|---|---|---|
| Cambodia | Present throughout the country, including Siem Reap city. None in the city of Phnom Penh or at the temple complex at Angkor Wat. | Chloroquine
Mefloquine |
P. falciparum 60%, P. vivax 40% |
In the provinces of Banteay Meanchey, Battambang, Kampot, Koh Kong, Odder Meanchey, Pailin, Preah Vihear, Pursat, and Siem Reap bordering Thailand: Atovaquone-proguanil, doxycycline, or tafenoquine6.
All other areas with malaria: Atovaquone-proguanil, doxycycline, mefloquine, or tafenoquine6. |
1) City(ies) of travel 2) Province(s) of travel |
| Cameroon | All | Chloroquine | P. falciparum >85%, P. ovale 5-10%,P. vivax rare |
Atovaquone-proguanil, doxycycline, mefloquine, or tafenoquine6 | |
| Canada | None | Not Applicable | Not Applicable | Not Applicable | |
| Canary Islands (Spain) | None | Not Applicable | Not Applicable | Not Applicable | |
| Cape Verde | Rare cases on São Tiago (also known as Santiago) Island. | Chloroquine | Primarily P. falciparum | Mosquito avoidance only | Island of Travel Map of Cape VerdeExternal |
| Cayman Islands (U.K.) | None | Not Applicable | Not Applicable | Not Applicable | |
| Central African Republic | All | Chloroquine | P. falciparum 85%,
P. malariae, P. ovale, and P. vivax 15% combined |
Atovaquone-proguanil, doxycycline, mefloquine, or tafenoquine6 | |
| Chad | All | Chloroquine | P. falciparum 85%,
P. malariae, P. ovale, and P. vivax 15% combined |
Atovaquone-proguanil, doxycycline, mefloquine, or tafenoquine6 | |
| Chile | None | Not Applicable | Not Applicable | Not Applicable | |
| China | Rare cases in the counties along the China-Burma (Myanmar) border in Yunnan Province and Motuo county in Tibet. No malaria in areas where most major river cruises pass. | Chloroquine
Mefloquine |
Primarily P. vivax,
P. falciparum in Yunnan Province |
Mosquito avoidance only | 1) Month(s) of travel
2) City(ies) of travel Altitude information and to determine if a city is within a certain provinceExternal |
| Christmas Island (Australia) | None | Not Applicable | Not Applicable | Not Applicable | |
| Cocos (Keeling) Islands (Australia) | None | Not Applicable | Not Applicable | Not Applicable | |
| Colombia | All areas <1,700 m (5,577 ft). None in Bogotá, Cartagena, and Medellin. | Chloroquine | P. falciparum 50%,
P. vivax 50% |
Atovaquone-proguanil, doxycycline, mefloquine, or tafenoquine6 | 1) City(ies) of travel
2) Altitude of city(ies) of travel Altitude informationExternal for Colombia |
| Comoros | All | Chloroquine | Primarily P. falciparum | Atovaquone-proguanil, doxycycline, mefloquine, or tafenoquine6 | |
| Congo, Republic of the (Congo-Brazzaville) | All | Chloroquine | P. falciparum 90%,
P. ovale 5-10%, P. vivax rare |
Atovaquone-proguanil, doxycycline, mefloquine, or tafenoquine6 | |
| Cook Islands (New Zealand) | None | Not Applicable | Not Applicable | Not Applicable | |
| Costa Rica | Rare local cases in Matina Canton in Limón Province, Sarapiqui Canton in Heredia Province, and Pital District in San Carlos Canton in Alajuela Province. | None | P. vivax | Mosquito avoidance only | |
| Côte d’Ivoire | All | Chloroquine | P. falciparum 85%,
P. ovale 5-10%, P. vivax rare |
Atovaquone-proguanil, doxycycline, mefloquine, or tafenoquine6 | |
| Croatia | None | Not Applicable | Not Applicable | Not Applicable | |
| Cuba | None | Not Applicable | Not Applicable | Not Applicable | |
| Cyprus | None | Not Applicable | Not Applicable | Not Applicable | |
| Czech Republic | None | Not Applicable | Not Applicable | Not Applicable |
1. Factors that affect local malaria transmission patterns can change rapidly and from year to year, such as local weather conditions, mosquito vector density, and prevalence of infection. Information in these tables is updated regularly.
2. Refers to P. falciparum malaria unless otherwise noted.
3. Estimates of malaria species are based on best available data from multiple sources.
4. Several medications are available for chemoprophylaxis. When deciding which drug to use, consider specific itinerary, length of trip, cost of drug, previous adverse reactions to antimalarials, drug allergies, and current medical history. All travelers should seek medical attention in the event of fever during or after return from travel to areas with malaria.
5. This risk estimate is based largely on cases occurring in US military personnel who travel for extended periods of time with unique itineraries that likely do not reflect the risk for the average US traveler.
6. Primaquine and tafenoquine can cause hemolytic anemia in persons with glucose-6-phosphate dehydrogenase (G6PD) deficiency. Patients must be screened for G6PD deficiency prior to starting primaquine.