The DRC update for yesterday reported 2 more deaths, bringing the fatality count to 370.
"This outbreak is occurring in the most difficult context imaginable," WHO head says.
With 10 news cases, the outbreak has grown to 608 infections and 368 deaths.
A healthcare worker is under observation as the DRC reports 5 new Ebola cases.
The DRC health ministry says protest-related disruptions carried over to a second day.
Eleven suspected patients who fled during vandalism voluntarily returned.
Also, the country's election commission has delayed the vote in some Ebola-hit areas.
The Democratic Republic of the Congo's (DRC's) health ministry today reported three more cases and seven more deaths in the country's ongoing Ebola outbreak, as the number immunized topped 50,000.
Ebola transmission continues to occur over 14 health zones, and 336 people have died in the outbreak.
The outbreak has grown to 549 cases and 326 deaths, with 82 suspected cases.