Covid-19 news: Pfizer/BioNTech jab may be less effective in under 12s
https://www.newscientist.com/article/2237475-covid-19-news-pfizer-biontech-jab-may-be-less-effective-in-under-12s/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home