Europeans against the most menacing epidemics.

欧洲要面对来势汹汹的疫情
That was tropical hygiene, then;

这是热带保健学
something different from what was practiced

是同一时间
at the same time in Europe,

在欧洲实行的不同方法
was one of the implications.

是影响之一
Another implication was a new prestige and authority for physicians.

另一个含义是新的声望和权威的医生
Ross and Koch, for example,

罗斯和科克
now became advisors to metropolitan governments,

现在变成了大城市政府的顾问
as did Manson.

曼森也一样
It meant also--another implication

这也意味着另一个含义
was perhaps what we might call selective historical amnesia.

或许我们可以称之为选择性的历史的遗忘
Many of the diseases identified as tropical

许多疾病被确立为热带疾病