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:Retro Report: What Doomsday Cults Can Teach Us About ISIS TodayThe Paradise Papers: Kremlin Cash Behind Billionaire’s Twitter and Facebook InvestmentsSaudi Crown Prince’s Mass Purge Upends a Longstanding SystemHundreds Arrested as Group Urges New Russian Revolution‘We Are Everywhere’: How Ethiopia Became a Land of Prying EyesSaudi Prince, Asserting Power, Brings Clerics to Heel