Table 1 The search strategy of the study
From: Inequality in the distribution of Covid-19 vaccine: a systematic review
Database | Search string | Number of retrieved papers | Limits |
|---|---|---|---|
Scopus | (TITLE-ABS-KEY (“covid19” OR corona OR “covid-19” OR “SARS-CoV-2”)) AND (TITLE-ABS-KEY (vaccine OR vaccination OR immunization OR immunisation)) AND (TITLE-ABS KEY (inequality OR inequity OR disparity OR distribution)) AND (LIMIT-TO (PUBYEAR, 2021) OR LIMIT-TO (PUBYEAR, 2020)) AND (LIMIT-TO (DOCTYPE, “ar”) OR LIMIT-TO (DOCTYPE, “re”)) AND (LIMIT-TO (LANGUAGE, “English”)) AND (LIMIT-TO (SRCTYPE, “j”)) | 2389 | Language (only resources with at least an abstract in English), search the key words in title and abstract. Date: December 2020 (the first vaccination), up to 30 May, 2022 |
PubMed | Search: ((“covid19”[Title/Abstract] OR corona*[Title/Abstract] OR “covid-19”[Title/Abstract] OR “SARS-CoV-2”[Title/Abstract]) AND (vaccin*[Title/Abstract] OR immunization [Title/Abstract] OR immunization [Title/Abstract])) AND (inequality [Title/Abstract] OR inequity [Title/Abstract] OR disparity [Title/Abstract] OR distribution [Title/Abstract]) Filters: English, from 2020 to 2022 | 1125 | |
WOS | TI = ((“covid19” OR corona OR “covid-19” OR “SARS-CoV-2”) AND (vaccine OR immunization OR immunisation OR vaccination) AND (inequality OR inequity OR disparity OR distribution)) AB = ((“covid19” OR corona OR “covid-19” OR “SARS-CoV-2”) AND (vaccine OR immunization OR immunisation OR vaccination) AND (inequality OR inequity OR disparity OR distribution)) | 916 | |
ProQuest | TiAb(“covid19” OR corona OR “covid-19” OR “SARS-CoV-2”) AND ab (vaccine OR immunization OR immunisation OR vaccination) AND ab (inequality OR inequity OR disparity OR distribution) | 193 |