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:Nearly 132 Million People Will Need Help, U.N. Says in 2019 AppealItaly Says 5 Egyptian Security Officials Are Suspects in Student’s DeathPompeo Questions the Value of International Groups Like U.N. and E.U.Gunmen Said to Kill 31 Construction Workers in Remote Indonesian ProvinceAfghan Women’s Soccer Team Accuses Officials of Sexual AbuseIt’s Not Too Late to Scrap Brexit, E.U. Court Official Says