The person, whose identity has not been revealed, may have been exposed to the virus in Democratic Republic of Congo and is now at the University of Nebraska Medical Center.

It’s the first time the deadly pathogen has been found in West Africa.

Scientists debate why the number of whooping cough cases is up, and whether the effectiveness of a vaccine introduced within the last two decades is to blame.

United Nations members agree to some restrictions on the technology, but not a total suspension of its use.

The study will examine the efficacy of four drugs—an antiviral and three monoclonal antibodies—that are already being used to treat patients in Democratic Republic of Congo.

Numerous experimental vaccines that aim to provide multi-season protection are in human studies.

A report also concludes that an investment of $2 per person per year could forestall that fate.

Tens of thousands of hogs are being slaughtered to stop its spread.

Dozens of cases of acute flaccid myelitis have occurred this year, and while it resembles polio, health officials have ruled out poliovirus.