Yes, most safari lodges have mosquito nets hanging over the beds. There are some that don't, but they usually have mosquito screens on the windows and doors. This is also the case in the standard bungalows in South Africa's national parks, like the Kruger National Park. Electric ceiling fans are also great for keeping mosquitos away, and most lodges and camps have these. Most safari lodges in mosquito-affected areas throughout Southern and East Africa do supply mosquito nets, as well as mosquito sprays and repellents. The tented camps also have mosquito screens on the sides and doors.