Global Health: A Virus Even More Dangerous Than Zika to Pregnant Woman The Zika virus must take the “side roads” into the placenta to infect a fetus, one researcher said — but the Rift Valley fever virus takes the “expressway.” Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Contributing Opinion Writer: Mexico Awaits Trump’s Next MoveSinosphere: China Wants to Resurrect Word ‘Comrade.’ But Its Meaning Has Changed.Editorial: Colombia’s Revised Peace AccordGermany Bans ‘True Religion’ Islamist Group and Raids MosquesHong Kong Rules Separatist Politicians Cannot Retake OathsThe Only Bank in a Company Town (When the Company Was Al Qaeda)