Malaria risk areas are: Botswana: the northern part of the country, Namibia: Ovamboland and Caprivi, South Africa: rural areas, north, east and western low altitude areas of Transvaal, Natal coastal areas; Swaziland: lowland areas, Zimbabwe: HIGH risk exists throughout the year. In Lesotho and St. Helena, there is no risk.

How to prevent this disease? Travellers should take Mefloquine to prevent malaria. It should be taken one week before leaving, weekly while in malarious area, and every week for 4 weeks after leaving the malarious area.

Travellers should use measures to reduce exposure to malaria-carrying mosquitoes and protect themselves from mosquito bites. These mosquitoes bite mainly at night, from dusk to dawn.