A previously healthy 12-year-old male was referred to the paediatric infectious disease clinic with a 6-week history of recurrent fevers. He had three discrete febrile periods measuring up to 41°C. Each period lasted 2 to 5 days, interspersed by 9 to 14 days of asymptomatic periods. He presented to the emergency department three times during these febrile episodes. He had blood work drawn but no treatment. The fevers were associated with headaches, significant chills/rigors, non-bilious vomiting, and 4 kg weight loss. Review of systems during fevers was negative for neck stiffness, confusion, rash, shortness of breath, chest pain, arthritis, or myalgias. He had traveled to...

中文翻译：

---

一名 12 岁男孩不明原因发烧

一名既往健康的 12 岁男性因反复发烧 6 周被转诊到儿科传染病诊所。他有三个不连续的发热期，最高可达 41°C。每个时期持续 2 至 5 天，中间穿插 9 至 14 天的无症状期。在这些发热发作期间，他曾三次到急诊科就诊。他抽了血，但没有治疗。发烧与头痛、明显的寒战/寒战、非胆汁性呕吐和体重减轻 4 公斤有关。发热期间对系统的检查对颈部僵硬、意识模糊、皮疹、呼吸急促、胸痛、关节炎或肌痛呈阴性。他曾前往...