疾病地理 disease，geography of 研究疾病的地理分布规律及其与自然和人文环境的相互关系的领域。医学地理学重要的研究内容。疾病地理的研究大致分为两个时期：早期主要研究物理因素和生物因素对疾病的影响；第二次世界大战以后，更重视化学环境以及人类社会文化环境对疾病的影响。
在本次暴发之前，未将安哥拉考虑为属于这一罕见疾病暴发和散在病例的地理“热区”。 据认为，它在中部和东部非洲。
Prior to the present outbreak, Angola was not considered to fall within the geographical “hot zone”, thought to be in central and eastern Africa, for outbreaks and sporadic cases of this rare disease.
福田敬二提到，一种疾病的大流行跟它的严重程度无关，而是跟它蔓延的地理范围有关。
Fukuda notes a pandemic has nothing to do with the severity of the disease, but rather with its geographic spread.
大流行疫情就是一种新的传染性疾病爆发，它会导致严重症状，并在一个以上地理区内进行人与人之前的广泛传染。
A pandemic is an outbreak of a new infectious disease, which causes serious illness and spreads widely from person to person across more than one geographical region.
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