China Has Withheld Samples of a Dangerous Flu Virus Despite an international agreement, U.S. health authorities still have not received H7N9 avian flu specimens from their Chinese counterparts. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:UFO: ALIEN SHIP has entered our SOLAR SYSTEM insists Harvard professorTrilobites: The Northern and Southern Lights Are Asymmetric Dancers in the DarkMen who have smoked marijuana MORE fertile than those who haven’t - shock Harvard studyAlaska earthquake WARNING: How geologists uncovered 'scientific mystery of century'Are daily horoscopes real? Scientist admits 'horoscopes make people feel better'‘We are NOT alone!’ Professor says aliens DID send asteroid - ‘I won't back down’