The director-general of the Africa Centres for Disease Control and Prevention, or Africa CDC, warned that the ongoing Ebola outbreak centering on the Democratic Republic of the Congo was at risk of becoming a crisis spanning the entire continent, adding that the Africa CDC did not recommend border closures because they would lead individuals to resort to informal routes, Semafor reported on Oct. 23. This comes as Switzerland said the Swiss national infected with Ebola currently receiving treatment in Nigeria, the first Ebola case in the country in more than 10 years, seemed to have contracted the virus in Uganda.