The World Health Organization has said the coronavirus is not yet a pandemic. That raises a question: just what is a pandemic? An expert explains.
The World Health Organization declared the new coronavirus to be a public health emergency on Jan. 30, 2020. Does the action really change anything? An expert answers four questions.
Airport public health officials have got better at screening at ports of entry especially for international arrivals.
The Ebola outbreak in the DRC has been declared a Public Health Emergency of International Concern. What does this mean for the outbreak response?