Which 1978 Stephen King novel follows survivors of a flu pandemic that wipes out most of humanity?

In which 1978 film is Brad Davis's American held in a brutal Turkish prison? In which 1978 film does Robert De Niro play a steelworker scarred by the Vietnam War? Which 1978 film has a small-town band making it big, all to the music of the Beatles? Who played the title role in "Superman" (1978)? In which 1978 film does the wife of a soldier fighting in Vietnam volunteer at a VA hospital and fall for a wounded vet… Which late language lover won a 1978 Pulitzer Prize for commentary for his New York Times columns? Which Yiddish storyteller won the 1978 Nobel Prize in Literature? In 1978 Richard Lee Strout won a special Pulitzer citation for his body of work for which newspaper?