Nasa astronauts tight-lipped on who was ill after long space station mission

Astronauts Matthew Dominick, Michael Barratt and Jeanette Epps participate in a news conference. Picture: Nasa/AP
Three Nasa astronauts whose prolonged space station mission ended with a trip to hospital last month have declined to say which one of them was sick.
Astronauts Matthew Dominick, Michael Barratt and Jeanette Epps publicly discussed their spaceflight for the first time since returning from the International Space Station on October 25.