Sierra Leone COVAX vaccine roll-out information and latest news.
The tracking of antibodies in Ebola survivors suggests they wax and wane, which could make vaccine booster shots necessary.
Guinea is having its first Ebola outbreak since 2016, when West Africa experienced the biggest outbreak ever seen. Could the vaccine that contained previous outbreaks soon be redeployed?
New vaccination figures show millions more children being immunised in world’s poorest countries.