<span style="color: #222222;">A second Ebola vaccine is to be offered to around 50,000 people in the Democratic Republic of Congo, as part of a major clinical trial.<br />” <br />” The Johnson &amp; Johnson vaccine will be used alongside a one-dose vaccine made by Merck, which has already been given to around 250,000 people.<br />” <br />” Merck's jab has now been approved by the World Health Organization. The European Commission has also approved the vaccine.<br />” <br />” More than 2,100 people have died in DR Congo, in the second-largest Ebola outbreak on record.&nbsp;</span><br />” <span style="color: #222222;">&nbsp;<br />” The J&amp;J's vaccine, which requires two doses given 56 days apart, will be available to adults and children over one, living in two areas of the DR Congo city of Goma.</span><br />