International law on refugees has its roots in the massive displacement that occurred in Europe during World War II. Above: Belgian refugees fleeing after the German invasion of their country in 1940.
On May 13, people suspected of having the Ebola virus wait at a treatment center in the village of Bikoro, where the outbreak began in the Democratic Republic of the Congo.
This banner is displayed at the Institute of Lassa Fever Research and Control in Irrua Specialist Teaching Hospital in Irrua, Edo State, midwest Nigeria.
Pius Utomi Ekpei /AFP/Getty Images