Use an insect repellent spray and even more important is to use mosquito nets. The mosquito carrying Malaria bites almost exclusively during the night. Hepatitis A, Hepatitis B, Rabies and Typhoid disease can occur, so you should consider getting vaccinations for them.
In general, tap water is sterilized in urban areas so it is safe to drink. The water is rich in minerals and this can usually cause for a few days a gastric disorder. However, it is possible to buy bottled water everywhere. Bilharzia is present throughout Africa, so you should avoid drinking or playing in stagnant water, lakes and/or slow-running water.
Many cities offer well-maintained and chlorinated swimming pools to enjoy your time. Don’t forget that South Africa has the highest number of people infected with HIV/AIDS in the world. They are transmitted predominantly through sexual relations and through infection. A good sense of logic is needed and prevention measures are necessary if you are to indulge in sex.
South Africa’s climate is warm and sunny almost the whole year round, so it’s better to wear a hat and cotton or linen clothes. Also take care of your skin and use high factor sunscreen. If fever or any physical complaints appear after months you come back from your travels, don’t hesitate to contact your doctor and tell him about the previous place(s) you have been to during your travels.