SUPPLEMENTARY MATERIALS




  Fields] AND "coronavirus"[All Fields]) OR "novel coronavirus"[All Fields]) AND ("pneumonia"[MeSH Terms] OR "pneumonia"[All Fields] OR "pneumonias"[All Fields] OR "pneumoniae"[All Fields] OR "pneumoniae s"[All Fields])) OR ("sars cov 2"[MeSH Terms] OR "sars cov 2"[All Fields] OR "2019 ncov"[All Fields]) OR ("sars cov 2"[MeSH Terms] OR "sars cov 2"[All Fields] OR "sars cov 2"[All Fields])) AND ("aged"[MeSH Terms] OR "aged"[All Fields] OR "older adults"[All Fields] OR "elderlies"[All Fields] OR "older adults s"[All Fields] OR "older adultss"[All Fields]) AND (("plasma"[MeSH Terms] OR "plasma"[All Fields] OR "plasmas"[All Fields] OR "plasma s"[All Fields]) AND ("convalesce"[All Fields] OR "convalesced"[All Fields] OR "convalescence"[MeSH Terms] OR "convalescence"[All Fields] OR "convalescences"[All Fields] OR "convalescent"[All Fields] OR "convalescents"[All Fields] OR "convalescing"[All Fields])) 364 DOAJ"COVID-19" AND "older adults" AND "convalescent plasma" 13 CENTRAL ("Coronavirus Disease 2019" OR "COVID-19" OR "novel coronavirus pneumonia") AND ("older adults") AND ("convalescent plasma") 8,722 


Table S1 .

 S1 Search strategy 


	Database	Terminology	Hits
	PubMed	("covid 19"[MeSH Terms] OR "covid 19"[All Fields] OR "coronavirus disease 2019"[All	
		Fields] OR ("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 serotherapy"[Supplementary Concept] 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 2019/11/01:3000/12/31[Date -Publication])) OR (("sars cov 2"[MeSH Terms] OR "sars cov 2"[All Fields] OR ("novel"[All