The epidemic period in 2003 is shorter than that in 1990-2002 because of the emergent vaccination.

由于应急接种，2003年乙脑发病流行期比1990 ~ 2002年乙脑流行期缩短。

youdao

Since 1992, the incidence of malaria has been less than 1/10 000, and the epidemic period disappeared.

自1992年以来疟疾发病率已连续10年被控制在1／万以下，并消除了流行周期。

youdao

AIDS epidemic in China has been distributed and local epidemic period, have been converted to a view widely popular.

艾滋病在我国的流行经过了散发期和局部流行期，已转为广泛流行期。

youdao

Turning the Page for us refers to the HIV prevention research world really entering a new period in its activity, That new period comes 30 years into the HIV/AIDS epidemic.

VOA: standard.2010.07.15

Several decades later the epidemic has passed and a period of relative temperance sets in.

FORBES: When Gin Was In

The problem is that the death toll is still too small, and far too little is known about the length of the incubation period, to rule out an epidemic.

ECONOMIST: Mad-cow disease

Mr. Chen said there are no signs of an epidemic but noted the approaching springtime is the key period to prevent disease.

WSJ: Dead Pigs Worry Shanghai