The burden of Marburg and other rare diseases is small, says Cathy Roth of the WHO, but their destructive potential drags resources from the fight against AIDS, tuberculosis and malaria.

世界卫生组织的卡茜•罗斯（Cathy Roth）讲道，马尔堡病毒与其它疾病给非洲国家并没有带来多大的负担，但是该病毒的潜在致命性却让这些国家将治疗艾滋病、肺结核与疟疾的各种资源进行了转移。

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The rise of social networking has made it easier for people with rare diseases to connect with each other and feel less alone.

社交网络的普及使得患有罕见疾病的人可以相互联系，不那么孤独。

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Conclusions PPS is a rare and slowly progressive syndrome. The other diseases need to be ruled out before it is diagnosed.

结论PPS是一种少见的、缓慢进展的临床综合征，诊断时需要排除其他神经肌肉疾病。

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Glaxo will also work with the Italian researchers to develop the gene therapy for six other rare diseases.

FORBES: Glaxo Brings Gene Therapy Back From The Dead

Patients' families with other rare diseases also are seeking to press researchers to share data from natural-history studies.

WSJ: Families Push for New Ways to Research Rare Diseases

Moreover, repositioning such drugs to treat other rare diseases can ring more registers.

FORBES: Orphan Drugs: 'Rare' Opportunities To Make Money