Deaths from flu are on the rise, prompting the CDC to say the country is at an 'epidemic threshhold.'
The death toll is rising, but the number of new cases is slowing, says the World Health Organization.
As plague claims more lives, authorities scramble to kill infected fleas in the poorest neighborhoods.
A doctor who recently returned to New York from treating Ebola patients in Guinea tests positive for the deadly virus.
A look at why one Ebola outbreak was contained, while the other spiraled out of control.
Even in the face of a disease like Ebola, people value freedom and convenience over the public good.
A Texas Department of State Health Services insists that authorities were working with extreme diligence to prevent further spread.
A health care worker who treated Thomas Eric Duncan, the man who died of Ebola, has tested positive for the disease.
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