Banning travel might not always be the best way to respond to a disease outbreak.
There have been ten Ebola outbreaks recorded from the DRC between 1976 and 2018 from different locations. This implies that the virus is widely spread.
History, and math, tell us that the Ebola virus spreads exponentially quickly. This means Ebola is a global problem and all nations need to rally -- to stop the epidemic fast.
The DRC has developed good systems to diagnose Ebola. But it's surveillance systems are still weak.
Lassa outbreaks are becoming more widespread in Nigeria but have not been given national emergency status like Ebola.