Headlines about safe and effective covid-19 vaccines seem simple, but the truth is that the trials tell us far less than we assume about who will benefit from a vaccine
Source:
https://www.newscientist.com/article/mg24833093-100-we-cant-be-certain-the-coronavirus-vaccines-will-stop-the-pandemic/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home