New research suggests Chagas may have led to the death of Charles Darwin — one of the great medical mysteries.
Researchers from the University of Maryland School of Medicine believe Darwin suffered from three different illnesses, including a Chagas infection contracted on a voyage to the Andes in South America, the Wall Street Journal reported earlier this month.
Darwin wrote in his diary that he was bitten by a “great wingless black bug” during the trip in 1835. He died 47 years later of heart failure.
专家将其称为“美洲的新艾滋病”。
根据《PLoS被忽视的热带疾病》期刊近日发布的研究称,这种名为“查加斯病”的寄生虫传染疾病和艾滋病早期的传播过程具有相似性。
根据《纽约时报》,该研究称,查加斯病就像艾滋病一样难以觉察,而且在出现症状前有一段长时间的潜伏期。
据《纽约时报》的报道,在西半球已有800万人感染了这一疾病,患病者主要分布在玻利维亚、墨西哥、哥伦比亚和美洲中部,在美国也有3万人感染此病。查加斯病在贫民区的人群中间传染,许多美国患者都是外来移民。
据报纸的报道,因为查加斯病常常得不到治疗,因此它很容易就通过遗传或输血散播开来。如果在疾病早期发现,可采用密集药物治疗方法,但穷国的药品很稀缺,在寻求新疗法上投资也很少。
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