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:American Peace Activist Is Denied Entry to South KoreaBeijing Journal: A Cleanup of ‘Holes in the Wall’ in China’s CapitalProcter & Gamble Faces Proxy Fight With Activist Investor PeltzPolice in Europe Break Up Network Selling Illegal Horse MeatMacron Denounces Anti-Zionism as ‘Reinvented Form of Anti-Semitism’Civilian Deaths in Afghanistan Reach New High, U.N. Says