Laci Green examines some of history's most horrifying and death-dealing illnesses, the kind that lay waste to entire populations.
The illness is potentially deadly for the individuals, who have never been exposed to it before.
A team of researchers has produced an experimental vaccine for the deadly H7N9 flu strain.
A debilitating mosquito-borne disease once confined to Africa and Asia has now spread to the Caribbean and may make its way across North and South America.
Is the newest strain of bird flu jumping to people? Continue reading →
As a cruise ship docks with hundreds of passengers green around the gills, find out what they've got and how to prevent it.
Washing hands and taking zinc may be the best ways to avoid getting the common cold, and over-the-counter pain relievers are the recommended treatments to alleviate the symptoms.
Humans may be able to smell sickness, or at least detect a distinct odor in the sweat of people with highly active immune systems.
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