The United States sending 50 disease experts to West Africa over the next 30 days in a bid to combat the outbreak of the Ebola virus, according the Centers for Disease Control and Prevention (CDC).
The country has also issued a travel warning for three of the countries hit by the outbreak, The Associated Press reported.
BREAKING: United States issues travel warning for 3 African countries hit by Ebola outbreak.
Non-essential travel to Guinea, Liberia and Sierra Leone was discouraged by the CDC.
More than 160 staff will work in a UK-funded facility in Sierra Leone which is due to open in October.
UK trials of a vaccine for the Ebola virus began today - but some experts complain that the response has been a long time coming.
A Swansea doctor who took leave to treat Ebola patients in Africa, is back on the wards after three weeks in isolation.