"The plague" -- with its bubonic, pneumonic, and septicemic variants -- has been taking lives in the most gruesome of ways for thousands of years. It made its deadly bones way back in the 14th century, but guess what: It's still here.
An American doctor and a U.S. missionary who had been battling West Africa's Ebola epidemic have fallen sick with the disease in Liberia.
The death toll numbers are up from the deadly disease and the number of cases has surpassed 1,000.
Skin does much more than most people probably suspect.
The Centers for Disease Control and Prevention is now running tests on six forgotten vials of smallpox recently discovered in an unsecured laboratory.
Malaria kills more than half a million people a year, with the female mosquito being 100% responsible for the mass murder. Could scientists hack the reproductive process of mosquitoes such that, over time, no more female babies are born?
A herpes virus that infects humans originated in chimpanzees before it jumped into early human ancestors, according to a new study.
The bacteria that cause the illness may have been lurking around for 15 million years -- long before humans walked on Earth.
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