世界性传染
... pandemic infection 世界性传染 secondary infection 继发性感染 latent infection 潜伏感染 ...
虽然在大流行期间并非所有人都受感染,但几乎所有人都可能受到感染。
A defining characteristic of a pandemic is the almost universal vulnerability of the world's population to infection. Not all people become infected, but nearly all people are at risk.流行病的一个定义特性是它几乎能导致全球人口被感染,不是所有人都会被感染,但所有人有面临着被感染危险。
Research on influenza pandemics and pandemic viruses increased considerably following the first human cases of infection with the H5N1 avian influenza virus in 1997.在1997年发现首批人患H5N1禽流感病毒感染病例之后,大大加强了对流感大流行和大流行性病毒的研究力度。