A suspected Ebola patient has been admitted to a hospital in northern California, health officials have said.
Blood samples will now be tested by federal disease control experts.
If the patient tests positive, it would be the first confirmed case of Ebola in the United States, aside from two American relief workers who flew back for treatment after contracting the disease in Liberia.
As it reaches seven months since the Ebola outbreak started we take a look at the timeline of events leading up to the spread of the virus.
More than 100 British personnel are arriving in Sierra Leone to combat the Ebola outbreak in West Africa. Here's what else the UK is doing.
A man has been filmed helping an Ebola patient onto a plane without wearing any protective equipment.