Ebola in West Africa, Monday, August 11

A man's temperature is measured before he is allowed into a business center, as fear of the deadly Ebola virus spreads through the city of Monrovia, Liberia, Aug. 9, 2014.

Health workers prescreen people for the deadly Ebola virus before they enter the Kenema Government Hospital in Kenema, Sierra Leone, August 9, 2014.

Health workers await patients to screen against the deadly Ebola virus at the Kenema Government Hospital in the Eastern Province in Kenema, 300 kilometers, (186 miles) from the capital city of Freetown, Sierra Leone, Aug. 9, 2014.

Worshippers leaving a church after prayers concerning the deadly Ebola virus in the city of Monrovia, Liberia, Aug. 9, 2014.

Workers inside a call center, where people can phone to state their concerns about the Ebola virus, in the city of Monrovia, Liberia, Aug. 9, 2014.

Volunteers prepare basic supplies, donated to the Ebola treatment center by American donors, at the Kenema Government Hospital in Kenema, Sierra Leone, Aug. 9, 2014.

A large billboard promotes the washing of hands to prevent the spread of the deadly Ebola virus in Monrovia, Liberia, Aug. 9, 2014.

Liberian President Ellen Johnson Sirleaf speaks to health workers asking them to keep working at the health centers, with government support, to combat the deadly Ebola virus. Monrovia, Liberia, Aug. 9, 2014.