CDC confirms first instance of severe illness in the U.S. caused by the bird flu

Fox News senior medical contributor Dr. Marc Siegel joins ‘America Reports’ to explain the spread of bird flu, and discuss concerns over the health of NASA’s two stranded astronauts on the International Space Station. Fox News senior medical contributor Dr. Marc Siegel joins ‘America Reports’ to explain the spread of bird flu, and discuss concerns over the health of NASA’s two stranded astronauts on the International Space Station.