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.
Marburg virus, harbored by fruit bats, has over the years caused 12 known outbreaks in sub-Saharan Africa.
The outbreak has grown to 549 cases and 326 deaths, with 82 suspected cases.
Officials confirmed 18 new Ebola cases, including 9 deaths, in recent days.
The outbreak has now reached 521 cases and 306 deaths as responders grapple with multiple challenges.
Also, the NIAID has reached an agreement to license an experimental treatment.
A lead WHO official says the most recent wave of cases has proved especially challenging, with cases widely dispersed.
Lassa fever activity in Nigeria is increasing again, following an unprecedented outbreak earlier this year for which the acute phase was declared over on May 10, the World Health Organization's (WHO's) African regional office reported today in its weekly update.
