At least 5 civilians were killed and children kidnapped in an attack by rebels in Beni.
"No other epidemic in the world has been as complex as the one we are currently experiencing," the DRC health minister says.
WHO and UN officials say the rate of cases has declined a bit recently.
With 2 new cases, infections in healthcare workers in the DRC have now reached 27.
The outbreak total has reached 305, with 189 deaths and 60 suspected cases.
Two of the latest confirmed cases involve a mother and her 2-week-old baby.
In other developments, Uganda will start vaccinating health workers in high-risk areas, and 2 global experts press for more high-level involvement, including US committment.
The DRC health ministry reports 6 cases today, and deaths have climbed to 180.
The Security Council passed a resolution to "ensure full, safe, immediate, and unhindered access" in outbreak areas.
Immune response lasted 2.5 years for the vaccines, the longest yet in ongoing studies of Ebola immunization.
