Laos Malaria General Malaria Information: Predominantly P

Laos Malaria General malaria information: predominantly P. falciparum. Transmission occurs throughout the year and is highest from May through October. Human P. knowlesi infection has been reported but is rare in travelers. Issues to Consider Factors favoring chemoprophylaxis Location-specific recommendations: • Adventure travel Chemoprophylaxis is recommended for all travelers: throughout the southern half of the country; most lowland areas in the • Risk-averse and vulnerable travelers northern half of the country; all cities and towns within these areas. • Areas subject to infrequent epidemics Chemoprophylaxis is recommended for certain travelers (see Issues to Consider box): all other areas not mentioned above • Immigrants visiting friends and relatives except Vientiane Prefecture and the central urban areas of Luang Prabang and Xam Neua. • Flexible itineraries Insect precautions only are recommended (negligible transmission reported): rural areas of Vientiane Prefecture; the central • Travel longer than 1 month urban areas of Luang Prabang and Xam Neua. • Unreliable medical expertise and/or treatment drugs at destination No preventive measures are necessary (no evidence of transmission exists): the city of Vientiane. Factors against chemoprophylaxis Preventive measures: Evening and nighttime insect precautions are essential in areas with any level of transmission. • Air-conditioned hotels only Atovaquone-proguanil (Malarone or generic) and doxycycline are protective in this country. • Urban areas only • Non-transmission season • Minimal nighttime exposure • Travel shorter than 3 days For more information, see Technical Explanation of Malaria Mapping.

101°E 103°E 105°E 107°E

NUMBERED PROVINCES CHINA 1 - Phongsali 1 2 - Louangnamtha 3 - Bokeo " 4 - Oudomxai Phongsali VIETNAM 5 - Luang Prabang 6 - Xaignabouli BURMA 2 7 - Vientiane 21°N " 8 - Xaisomboun g Muang 9 - Xiangkhouang n Louang o a Xai k h " 10 - Houaphan e Namtha T M 3 u 11 - Bolikhamxai Ban O 5 G" Houayxay m 12 - Khammouan " 4 a Xam N Neua 10 13 - Savannakhet Pakbeng Luang Prabang 14 - Salavan " G" N 15 - Xekong e un 16 - Champasak Plain of 9 17 - Attapu Xaignabouli " Jars

19°N p " a Vang Lake 8 i g 6 Nam Vieng N Gulf Ngum of ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! 11 ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! g ! ! ! ! ! ! ! ! ! !7! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! n ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Tonkin o ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! k ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! e ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! M M ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! e ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! k ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! o ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! n K ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Konglor a ! ! ! ! ! ! ! ! ! ! ! !^_! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! g d ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Cave in Vientiane 12 g " Bang Thakhek fai

17°N Noy

"Savannakhet 13 ng Banghia THAILAND

14 15 "Pakxe 16 M 15°N e

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Vat n g Place of interest Phu 17 Administrative boundary

0 50 100 200 300 400 KM CAMBODIA

KEY for Location-Specific Recommendations — Evening and nighttime insect precautions are essential in areas with any level of transmission.

Chemoprophylaxis is recommended for all travelers.* l City where preventive recommendations are the same as the surrounding region.

Chemoprophylaxis is recommended for certain travelers; see Issues to Consider box. City where insect precautions only are recommended in the central urban area *; at city outskirts G preventive recommendations are the same as the surrounding region. Insect precautions only are recommended * (negligible transmission is reported). _ National capital (no preventive measures are necessary). * Exceptions may apply. For more information, see Technical Explanation of Malaria Mapping.