1/8A Nigerian health official uses a thermometer on a worker at the arrivals hall of Murtala Muhammed International Airport, in Lagos, Nigeria, Aug. 4, 2014.
2/8Nigeria health officials wait to screen passengers at the arrival hall of Murtala Muhammed International Airport in Lagos, Nigeria, Aug. 4, 2014.
3/8Nigeria health officials display a leaflet explaining the Ebola virus, at the arrival hall of Murtala Muhammed International Airport, in Lagos, Nigeria, Aug. 4, 2014.
4/8Dr. Kent Brantly and his wife, Amber, are seen in an undated photo provided by Samaritan's Purse. Brantly became the first person infected with Ebola to be brought to the United States from Africa, arriving at Emory University Hospital, in Atlanta, Aug. 2, 2014.
5/8People queue outside a bank as fear spreads that public buildings might be closed due to the spread of the deadly Ebola virus, Monrovia, Liberia, Aug. 4, 2014.
6/8A New York hospital is testing a man with symptoms of Ebola, and results of his tests are pending, Mount Sinai Hospital, Manhattan borough of New York, August 4, 2014.
7/8Jeremy Boal, Chief Medical Officer for the Mount Sinai Health System, speaks during a news conference at Mount Sinai Medical Center where a male patient with a high fever and gastrointestinal symptoms is undergoing testing for the Ebola virus following a recent trip to West Africa, in New York, Aug. 4, 2014.
8/8A Nigerian health official wearing a protective suit waits to screen passengers at the arrivals hall of Murtala Muhammed International Airport in Lagos, Nigeria, Aug. 4, 2014.
