Table 1.

Literature was queried in four databases using the following keywords.

Database	Keywords
PubMed	((“mRNA Vaccines”[Mesh]) AND “COVID-19 Vaccines”[Mesh]) AND (“Neoplasms”[Mesh]))
ScienceDirect	(“mRNA” AND “vaccine”) AND (“neoplasm” OR “malignancy” OR “tumor” OR “cancer”) AND (“SARS-CoV-2” OR “COVID”)
EBSCOHost	((MH “COVID-19 Vaccines+”) OR (MH “2019-nCoV Vaccine mRNA-1273”) OR (MH “BNT162 Vaccine”)) AND ((“Malignancy” OR “neoplasm”))
SCOPUS	(“COVID-19” OR “nCOV-19” OR “Coronavirus disease 2019” OR “SARS-COV-19”) AND (“mRNA vaccine” OR “mRNA-1273” OR “BNT162”) AND (“malignancy” OR “neoplasm”)