接種証明書
Alexandra L Phelan (2020年5月4日), “COVID-19 immunity passports and vaccination certificates: scientific, equitable, and legal challenges” (英語), ランセット, doi:10.1016/S0140-6736(20)31034-5, ISSN 0140-6736, PMC 7198144, PMID 32380041, http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=7198144 , Wikidata Q94538330
Daniel B Larremore; Kate M Bubar; Yonatan H Grad (2020年7月20日), “Implications of test characteristics and population seroprevalence on 'immune passport' strategies” (英語), Clinical Infectious Diseases, doi:10.1093/CID/CIAA1019, ISSN 1058-4838, PMC 7454323, PMID 32687149, http://www.