Cases involving travel make it difficult for responders to investigate quickly.
According to the World Health Organization's (WHO's) Ebola dashboard today, officials in the Democratic Republic of the Congo (DRC) confirmed 2 new cases of Ebola in a 14-month-long outbreak in that country, raising the total to 3,250 infections.
As reported yesterday, 117 of the cases are considered probable infections. The DRC's Ebola technical committee (CMRE) has not yet posted information on the four new cases described yesterday.
Also, a study shows that conflict during the outbreak dampened the effectiveness of vaccine efforts.
In other developments, top health officials from 10 African nations met in the DRC today and agreed on a joint preparedness framework.
In other Ebola developments today, three newly confirmed cases were reported in the outbreak region.
Today the Democratic Republic of the Congo (DRC) confirmed one new case of Ebola in the ongoing outbreak in North Kivu and Ituri provinces, but the World Health Organization (WHO) spotlighted some troubling signs in its weeks update.
Recent cases have been in a compact area with limited access and security problems.
Outbreak totals climb to 3,224 infections, including 2,150 fatal ones.
The Johnson & Johnson Ebola vaccine will be rolled out in November, officials say.
The WHO continues to say that progress in curtailing the outbreak must be balanced with caution.