The study of VSV-EBOV hopes to enroll 6,000 health and other frontline workers.
Though the global risk has dropped, Ebola is still a cause for concern, the WHO says.
The 30 new cases are the lowest since May 2014, fueled by improving response indicators.
Two possible next-generation Ebola vaccines fully protected monkeys with one dose.
There was evidence of Ebola virus in Liberia decades ago, according to a New York Times op-ed piece.
A 9-month boy tested positive for Ebola after he died in Sierra Leone's Kailahun district, a former hot spot for the disease that had not seen a case over the past 4 months, Reuters reported today.
A stray donkey that crossed from Mexico into Texas has tested positive for glanders, a highly contagious disease that primarily affects equines, the Southwest Farm Press reported this week.
Even hospitals that had done preparedness drills faced challenges, and the threat consumed a lot of resources.
The first two phase 1 trials of VSV-EBOV vaccine show good immune responses.
Ebola cropped up again in two of Guinea's districts that hadn't reported cases in about 50 days.
