Bilharzia does occur in many rivers of the country. It can be prevented by not swimming in rivers.
Schistosomiasis (bilharzia): Frequently Asked Questions
FAQs compiled by John Frean, National Institute for Communicable Diseases, Johannesburg, South Africa.
Updated 06 July 2016
You are advised to visit your general practice surgery or a travel medicine clinic at least 6 weeks before you travel. However, it is never too late to seek advice.
If you have a medical condition, you are advised to discuss the suitability of the trip before you book.