Since mankind thoroughly eradicated polio, there hasn't been a single human-infecting disease that's been fully removed from the global population. Tara explains how this can be, when we've otherwise advanced so much with our medical treatments.
Club-wielding young men storm the health center, claiming Ebola virus does not exist.
The decision came after a rare, two-day closed-door session of the UN health body's emergency committee.
A survivor's blood would be needed to create a treatment for the deadly virus, reports say.
As West African nations handle an outbreak of the deadly Ebola virus, Trace takes a look at preparedness in other nations and assesses the chances of the illness going terrifyingly global.
Dirty needles and other carelessness can spread serious diseases among acupuncture patients.
Even though smallpox has been eradicated, the world's remaining stockpiles should not be destroyed, scientists said.
A team of researchers has produced an experimental vaccine for the deadly H7N9 flu strain.
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