一、表达意思不同
1、endemic:地方性的;风土的;地方病
2、epidemic:流行的;传染性的;传染病;流行病;风尚等的流行
3、pandemic:(疾病)在全国(或世界)流行的;(全国或全球性)流行病,瘟疫
二、词根含义不同
1、endemic:词根含义是属于某个人群(within the people),指属于某个具体的地理环境(geography)、种族(race)、地区(area)、环境(environment)、人群(people)等。
2、epidemic:词根含义是在某个人群之上(upon the people),流行范围超过endemic的地区或者进入通常没有此种疾病的地区。
3、pandemic:词根含义是整个人群(all people),流行范围可能覆盖整个大洲甚至全球。
三、着重点不同
1、endemic:指代局限于某个地方的意思,侧重点是在“局限”二字。
2、epidemic:指代“在......之间”传播存在的意思,侧重于“传染”的意思。
3、pandemic:pandemic是指在整个国家或全球流行的疾病,侧重点在于流行范围的广度。
pandemic
1.Widespread; general.
2.Medicine. Epidemic over a wide geographic area and affecting a large proportion of the population: pandemic influenza.
endemic
1.Prevalent in or peculiar to a particular locality, region, or people: diseases endemic to the tropics.
2.Ecology. Native to or confined to a certain region.
epidemic
1.Spreading rapidly and extensively by infection and affecting many individuals in an area or a population at the same time: an epidemic outbreak of influenza.
2.Widely prevalent: epidemic discontent.