Sri Lankan health workers wear protective gear as they attend a preparedness program for Ebola at the Infectious Disease Hospital in Colombo, Sri Lanka, Tuesday, Oct. 28, 2014. Airports in Asia have stepped up their defenses: screening passengers who have travelled from affected countries, taking any with high temperature for observation and trying to keep contact them with for 21 days, the incubation period. According to the World Health Organization, more than 10,000 people have been infected with Ebola and nearly half of them have died.
Eranga Jayawardena Associated Press