A sweeping global review led by researchers at the University of British Columbia has found that mRNA vaccines—now administered billions of times worldwide—are safe and highly effective at preventing infectious diseases like COVID-19, and have potential applications for a range of other diseases, including influenza, RSV, cancer and autoimmune disorders.  Published today in  The Lancet , the review draws on laboratory science, clinical trials and real-world effectiveness data to provide one of the most comprehensive assessments of mRNA vaccines to date.…