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:Strawberry Moon: Why is the Moon so BIG tonight? Is there a Full Moon today?NASA breakthrough: How space agency spotted ‘scores of lakes’ on distant moonNASA Moon landing: These are the Apollo 11 secrets no-one ever told you aboutVenus hiding life? How NASA discovered ‘flowing rivers’ on planet – ‘Exactly like Earth’NASA Moon landing: What happened to the American flag planted by the Apollo 11 astronauts?NASA astronaut snaps ‘AWE INSPIRING’ aurora photo from the International Space Station