Global Health: Ethicists Call for More Scrutiny of ‘Human-Challenge’ Trials A vaccine study in which subjects are to be deliberately infected with Zika is on pause after ethicists said it had “insufficient value.” Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Israel Wants to Land on the Moon. First Its Spacecraft Needs to Stick the Orbit.‘Predatory’ Scientific Publisher Is Hit With a $50 Million JudgmentAsteroid DANGER: ‘Earth's in the firing line' Physicist warns rogue asteroids hard to spotClimate change threatens to melt glacier and expose 66 ton AVALANCHE OF POOYellowstone volcano: 127 EARTHQUAKES rock Yellowstone - USGS reveals 26 struck in a SWARMTime travel PROOF: Physicist says 'it's POSSIBLE' and THIS is how you do it