First case of Ebola diagnosed in US

The United States has diagnosed its first case of the Ebola virus, a man who became infected in Liberia and travelled to Texas, health officials say.

The patient was hospitalised with symptoms that were confirmed to be caused by Ebola, a Centers for Disease Control and Prevention spokesperson says.

The patient is the first to be diagnosed with Ebola in the United States, although a handful of US medical workers who were infected in west Africa have been flown back to the United States for treatment, and have recovered.

The world's largest outbreak of Ebola has