自助旅游

• However , in sub - saharan africa extending from mali to ethiopia , particularly in the savanna during the dry season december to may , disease occurrence is higher , and there is additional risk for those visitors who travel " rough " such as backpackers , and those who need to live or work with local people
  旅游人士染上流行性脑膜炎的机会一般较低，但在旱季十二月至五月于非洲撒哈拉沙漠以南，马里至埃塞俄比亚的热带草原区内，染病的机会较高选择自助旅游或需在当地居住或工作的人士也会较易受感染。