“ I'm not a doctor nor a scientist (yet), and volunteering for this kind of research is the best I could do. ”

“ I'm a health worker, a nurse to be specific. We want to get rid of this pandemic. Sierra Leoneans are dying here and if this vaccine is not out early we will lose more lives. ”

“ We must help each other in tough times. My moral need is to contribute something for the cause. And this is one of the ways I can do it. ”

“ 1) I'm a scientist. 2) I'm a mother. 3) I have living parents and grandparents. 4) I strongly believe in vaccination for public health and the power of herd immunity. ”

“ I am a journalist who reports in and on the developing world, and participating would both allow me to perhaps contribute in a small way. ”

“ I'm a historian. I think what I do is invaluable, but it will never make the kind of impact that doctors do. This feels like something tangible I can do. ”

“ Times like these call for people who are able to be brave and put themselves forward for the greater good of society—this may be defining period of my lifetime. ”

“ I'm optimistic developed countries will control the spread of COVID but don't think global recovery will be possible until a majority of the population acquires immunity through infection/vaccination. ”

“ I'm an Air Force VET and I want to do what I can to help the effort, and this is a way to help. I'm willing to be informed of the risks and understand them before making a final decision. ”

“ I signed up to serve in the army years ago for the betterment of the country and I am glad to do this again. ”