Washington Post |  Ariana Eunjung Cha,  Lena H. Sun, Brady Dennis   The World Health Organization on Monday designated the Zika virus a public health emergency of international concern, an action it has taken only three times before and which paves the way for the mobilization of more funding and manpower to fight the mosquito-born pathogen spreading … Continue reading Zika virus: WHO declares global public health emergency, says causal link to brain defects ‘strongly suspected’