A health worker sprays disinfectants on a man

A health worker sprays disinfectants on a man suspected of dying of Ebola in Liberia
 
Dr Sacra went into isolation after his temperature rose, but was well enough on Wednesday to be sending emails, a spokesperson for his aid organisation, SIM, said.
Doctors at the Nebraska hospital said he was able to board the plane to the US under his own power.
Ebola is only spread through close contact but there is no cure for the infection. The fatality rate for this outbreak has been almost 50%, according to the World Health Organization (WHO).
The director of the US Centers for Disease Control and Prevention (CDC) has called for the international community to step up its response, specifically a $490m (£298m) appeal from the WHO.