The Big If ...
If is short for interferon. Twenty years ago, interferon featured in a Flash Gordon cartoon. It was a drug that saved the life of an astronaut, threatened by a deadly space virus.
Today, interferon is about to be lifted out of the realms of space fantasy. For clinical trials in Europe and in America have shown its potential to control not only viruses, but also cancer.
Tonight's Horizon tells the extraordinary story of what could be the biggest medical development for 50 years, if ...
Narrator ALEXANDER JOHN
Film editors
M. A. C. ADAMS , STEFAN RONOWICZ Editor SIMON CAMPBELL-JONES
Written and produced by VIVIENNE KING