Health
Black Death may have scuppered Roman Empire
The DNA of bubonic plague bacteria, blamed for Europe's great plague of 1348, has turned up in victims of a plague that shook the Roman world in AD 541
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The DNA of bubonic plague bacteria, blamed for Europe's great plague of 1348, has turned up in victims of a plague that shook the Roman world in AD 541
An HIV vaccine that uses a synthetic gene to trigger an immune response might offer a way to protect against the virus where others have failed