Several choices. Malaria is a parasite which is spread by the bite of a mosquito. Prevention of mosquito bites is essential in preventing malaria. In addition, travelers to eastern africa should take preventative medication. It is best to get advice from your travel medicine specialist as each medication (atovaquone/proguanil, doxycycline, or mefloquine) has benefits and side effects.
It depends. Though chloroquine-resistant malaria is found in africa, prophylaxis with Mefloquine can be used. However, this drug may not be right for everyone. This depends on several factors, including the: 1. Presence of resistant strains of malaria; 2. Medical history of the traveler; 3. Activities of the traveler; and 4. Medications concurrently taken. Consult with an infectious diseases physician.
Go to CDC Website. You can find your information on the website. Center for disease control.