Table 1.

Search term utilized for each respective database in systematic review.

Database	Search string
PubMed/Medline	(vaccine OR vaccination) AND (“Reversible Cerebral Vasoconstriction Syndrome”[MeSH/Tiab] OR “RCVS” OR “Posterior Reversible Encephalopathy Syndrome”[MeSH/Tiab] OR “PRES”)
Scopus	vaccine OR vaccination AND “reversible cerebral vasoconstriction syndrome” OR RCVS OR “posterior reversible encephalopathy syndrome” OR PRES
ScienceDirect	(vaccine OR vaccination) AND (Reversible Cerebral Vasoconstriction Syndrome OR Posterior Reversible Encephalopathy Syndrome)
Hinari	vaccine OR vaccination AND Reversible Cerebral Vasoconstriction Syndrome OR Posterior Reversible Encephalopathy Syndrome