The CDC said Monday it is preparing to restrict entry for travelers arriving from parts of central Africa where an Ebola outbreak has been declared.
The CDC said in a statement on Sunday that a "small number of Americans" are directly affected by an Ebola outbreak occurring in the Democratic Republic of Congo.
The WHO said the outbreak does not meet the criteria of a pandemic emergency like COVID-19, and advised against the closure of international borders.
A flight carrying U.S. citizens who were on the ship arrived Monday in Nebraska.
As epidemiologists race to find more answers to the hantavirus outbreak on a cruise ship, they have addressed some theories about its origins.