Delay or move Rio Olympics due to Zika - medical experts

More than 100 health experts have called for the Rio Olympic Games to be postponed or moved because of fears that the event could speed up the spread of the Zika virus around the world, according to a public letter published online. "The Brazilian strain of Zika virus harms health in ways that science has not observed before," the letter said. "An unnecessary risk is posed when 500,000 foreign tourists from all countries attend the Games, potentially acquire that strain, and return home to place