What to know about the Ebola outbreak that has spread from Congo to 4 other countries

An Ebola outbreak originating in the Congo has expanded to four additional countries, including Nigeria, which was identified as the most recent nation affected. This development marks the first time the virus has reached three distinct regions across the continent.

The current situation represents a significant escalation in the virus's geographic reach compared to all previous Ebola outbreaks. Health authorities are monitoring the status of the disease in these areas, noting that the outbreak remains active in at least two of the newly affected countries.