ahlam1399
02-07-2016, 05:59 PM
When it comes to talking about infectious diseases, researchers have their own special jargon. But even they aren't always 100 percent sure of the definitions.
أكثر... (http://www.npr.org/sections/goatsandsoda/2016/02/07/465282588/do-you-k**w-what-vector-and-endemic-mean-we-can-help-sort-of?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/goatsandsoda/2016/02/07/465282588/do-you-k**w-what-vector-and-endemic-mean-we-can-help-sort-of?utm_medium=RSS&utm_campaign=news)