Occasionally, Plasmodium falciparum malaria is apparently precipitated by traumatic events (e.g., a landmine accident) or by noninfectious events (e.g., pregnancy). The authors reporting such cases often seem as baffled as many of their readers probably are. However, the case reports may contain important clues regarding malaria pathogenesis and immunity.

中文翻译：

---

突发性疟疾：从不下雨，但倾泻。

有时，恶性疟原虫疟疾显然是由创伤事件（例如，地雷事故）或非感染性事件（例如，怀孕）引起的。报告这种情况的作者常常像许多读者一样感到困惑。但是，病例报告可能包含有关疟疾发病机理和免疫力的重要线索。