Medicine: Cancer Vaccine Quest

Some day, the worst thing about cancer may be the shot you get to prevent it.

Even before this somewhat over-optimistic statement appeared in an American Cancer Society ad, researchers were working to bring that day closer. In 1969 scientists succeeded in immunizing chickens against an avian-cancer virus. Now, two German researchers have gone even further by immunizing monkeys—which are several evolutionary steps closer to man —against a virus that causes cancer in primates. Their work raises hope that eventually similar vaccines can be developed for use in humans.

Professor Rainer Laufs and Dr.

Hans Steinke conducted their experiments with cotton-topped marmosets, South American...

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