Dengue Outpaces Zika in Brazil

[ahlam1399]

While global health agencies struggle to tame the rapidly spreading Zika virus, an older and deadlier pathogen, dengue, is straining medical providers and setting record infection levels in Brazil.

أكثر... (http://www.wsj.com/articles/dengue-outpaces-zika-in-brazil-1459416641?mod=fox_australian)