Madagascar
Malaria risk—predominantly due to P. falciparum—exists throughout the year in the whole country, with the highest risk in the coastal areas. Resistance to chloroquine reported.

Malawi
Malaria risk—predominantly due to P. falciparum—exists throughout the year in the whole country. P. falciparum resistant to chloroquine and sulfadoxine–pyrimethamine reported.

Malaysia
Malaria risk exists only in limited foci in the deep hinterland. Urban and coastal areas are free from malaria. P. falciparum throughout the year. P. falciparum resistant to chloroquine and sulfadoxine-pyrimethamine reported.

Mali
Malaria risk—predominantly due to P. falciparum—exists throughout the year in the whole country. Resistance to chloroquine and sulfadoxine–pyrimethamine reported.

Mauritania
Malaria risk—predominantly due to P. falciparum—exists throughout the year in the whole country, except in the northern areas: Dakhlet-Nouadhibou and Tiris-Zemour. In Adrar and Inchiri there is malaria risk during the rainy season (July through October). Resistance to chloroquine reported.

Mauritius
Malaria risk—exclusively due to P. vivax—exists in certain rural areas. There is no risk on Rodrigues Island.

Mayotte (French Territorial Collectivity)
Malaria risk—predominantly due to P. falciparum—exists throughout the year. Resistance to chloroquine reported.

Mexico
Malaria risk—almost exclusively due to P. vivax—exists throughout the year in some rural areas that are not often visited by tourists. There is high risk of transmission in some localities in the states of Chiapas, Quintana Roo, Sinaloa and Tabasco; moderate risk in the states of Chihuahua, Durango, Nayarit, Oaxaca and Sonora; and low risk in Campeche, Guerrero, Michoacán and Jalisco.

Morocco
Very limited malaria risk—exclusively due to P. vivax—may exist from May to October in certain rural areas of Khourigba Province. No cases reported since 2000.

Mozambique
Malaria risk—predominantly due to P. falciparum—exists throughout the year in the whole country. P. falciparum resistant to chloroquine and sulfadoxine–pyrimethamine reported.

Myanmar (formerly Burma)
Malaria risk-predominantly due to P. falciparum-exists commonly below 1000 m (a) throughout the year in Karen State; (b) from March through December in Chin, Kachin, Kayah, Mon, Rakhine and Shan states, Pegu Division, and Hlegu, Hmawbi, and Taikkyi townships of Yangon (formerly Rangoon) Division; (c) from April through December in the rural areas of Tenasserim Division; (d) from May through December in Irrawaddy Division and the rural areas of Mandalay Division; (e) from June through November in the rural areas of Magwe Division, and in Sagaing Division. P. falciparum resistant to chloroquine and sulfadoxine-pyrimethamine reported. Mefloquine resistance reported in the eastern part of Shan State. P. vivax with reduced sensitivity to chloroquine reported.

Namibia
Malaria risk—predominantly due to P. falciparum—exists from November to May/June in the northern regions and in Omaheke and Otjozondjupa and throughout the year along the Kavango and Kunene rivers. Resistance to chloroquine reported.

Nepal
Malaria risk—predominantly due to P. vivax—exists throughout the year in rural areas of the Terai districts (including forested hills and forest areas) of Bara, Dhanukha, Kapilvastu, Mahotari, Parsa, Rautahat, Rupendehi and Sarlahi, and especially along the Indian border. P. falciparum resistant to chloroquine and sulfadoxine–pyrimethamine reported.

Nicaragua
Malaria risk—predominantly due to P. vivax—is high throughout the year in 119 municipalities, with the highest risk in Chinandega, Jinotega, Nueva Segovía, RAAN, RAAS and Rio San Juan. In the other 26 municipalities, in the departments of Carazo, Madriz and Masaya, transmission risk is low or negligible. No chloroquine-resistant P. falciparum reported.

Niger
Malaria risk—predominantly due to P. falciparum—exists throughout the year in the whole country. Chloroquine-resistant P. falciparum reported.

Nigeria
Malaria risk-predominantly due to P. falciparum-exists throughout the year in the whole country. P. falciparum resistant to chloroquine and sulfadoxine-pyrimethamine reported.

Oman
Very limited malaria risk—including P. falciparum—may exist in remote areas of Musandam Province. No cases reported in 2001. Chloroquine-resistant P. falciparum reported.

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World Health Organization. International Travel and Health 2003. Geneva, Switzerland.