Hepatitis B: The Hunt for a Killer VirusAbout 375 million people are infected with the hepatitis B virus. It has killed more people than AIDS and also causes millions of cases of liver cancer. The discovery of this deadly virus and the vaccine against it a vaccine that is sharply decreasing the infection rate worldwide and is probably the first effective cancer vaccine was one of the great triumphs of twentieth century medicine. And it almost didn't happen. With wit and insight, this
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