RT Journal Article SR Electronic T1 Why vaccines matter JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 18 OP 18 DO 10.1136/dtb.2020.000048 VO 59 IS 2 A1 Treadwell, Julian YR 2021 UL http://dtb.bmj.com/content/59/2/18.abstract AB