Table 1 Search strategy used in the present study

PubMed

(((ulcerative colitis) OR (Crohn's disease)) OR ("Inflammatory bowel disease")) AND (Covid-19 vaccine)Scopus:

TITLE(covid OR corona OR sars cov 2) AND TITLE-ABS-KEY(methanol OR alcohol)

Scopus

( TITLE-ABS-KEY ( "ulcerative colitis") OR TITLE-ABS-KEY ( "Crohn's disease") OR TITLE-ABS-KEY ( "Inflammatory bowel disease") AND TITLE-ABS-KEY ( "Covid-19 vaccine"))

Science Direct

"Ulcerative colitis" "Crohn's disease" "Covid-19 vaccine" "Inflammatory bowel disease"

Cochrane

"ulcerative colitis" "Covid-19 vaccine"

"Crohn's disease" "Covid-19 vaccine"

"Inflammatory bowel disease" "Covid-19 vaccine"