Table 1.

Literature search strategy.

Database	Keyword	Result
PubMed	(“glucagon-like peptide 1”[MeSH Terms] OR ”glucagon-like peptide 1”[All Fields] OR “glp 1”[All Fields]) OR GLP-1RA[All Fields] OR (”dulaglutide“[Supplementary Concept] OR ”dulaglutide“[All Fields]) OR (”semaglutide“[Supplementary Concept] OR ”semaglutide“[All Fields]) OR (”exenatide“[MeSH Terms] OR ”exenatide“[All Fields]) OR (”liraglutide“[MeSH Terms] OR ”liraglutide“[All Fields]) AND (”diabetes mellitus“[MeSH Terms] OR (”diabetes“[All Fields] AND ”mellitus“[All Fields]) OR ”diabetes mellitus“[All Fields] OR ”diabetes“[All Fields] OR ”diabetes insipidus“[MeSH Terms] OR (”diabetes“[All Fields] AND ”insipidus“[All Fields]) OR ”diabetes insipidus“[All Fields]) AND (”COVID-19”[All Fields] OR “COVID-19”[MeSH Terms] OR ”COVID-19 Vaccines“[All Fields] OR ”COVID-19 Vaccines“[MeSH Terms] OR ”COVID-19 serotherapy“[All Fields] OR ”COVID-19 Nucleic Acid Testing“[All Fields] OR ”covid-19 nucleic acid testing“[MeSH Terms] OR ”COVID-19 Serological Testing“[All Fields] OR ”covid-19 serological testing“[MeSH Terms] OR ”COVID-19 Testing“[All Fields] OR ”covid-19 testing“[MeSH Terms] OR ”SARS-CoV-2”[All Fields] OR “sars-cov-2”[MeSH Terms] OR ”Severe Acute Respiratory Syndrome Coronavirus 2”[All Fields] OR “NCOV”[All Fields] OR “2019 NCOV”[All Fields] OR ((“coronavirus”[MeSH Terms] OR “coronavirus”[All Fields] OR “COV”[All Fields]) AND 2019/11/01[PubDate]: 3000/12/31[PubDate]))	25
Europe PMC	“GLP-1” OR “GLP-1RA” OR “glucagon-like peptide-1” OR “dulaglutide” OR “semaglutide” OR “exenatide” OR “liraglutide” AND “diabetes” OR “diabetes mellitus” AND “SARS-CoV-2”, OR “coronavirus disease 2019” OR “COVID-19”	156
medRxiv	“GLP-1” OR “GLP-1RA” OR “glucagon-like peptide-1” OR “dulaglutide” OR “semaglutide” OR “exenatide” OR “liraglutide” AND “diabetes” OR “diabetes mellitus” AND “SARS-CoV-2”, OR “coronavirus disease 2019” OR “COVID-19”	19