RT Journal Article SR Electronic T1 A pragmatic approach to COVID-19 vaccine passport JF BMJ Global Health JO BMJ Global Health FD BMJ Publishing Group Ltd SP e006956 DO 10.1136/bmjgh-2021-006956 VO 6 IS 10 A1 Ahmed Sharif A1 Roslin Botlero A1 Nazmul Hoque A1 Sheikh M Alif A1 Md Nazmul Karim A1 Sheikh Mohammed Shariful Islam YR 2021 UL http://gh.bmj.com/content/6/10/e006956.abstract AB