Annex Table 1.

Applied search strings in databases

Source: Own table

DATA BANK	SEARCH STRATEGY
Weekly updated database of studies related to the COVID-19 pandemic (as of 30.07.2021)	Search string PUBMed 1: (‘Severe Acute Respiratory Syndrome Coronavirus 2’ [Supplementary Concept] OR ‘COVID-19’ [Supplementary Concept] OR ‘covid 19 diagnostic testing’ [Supplementary Concept] OR ‘covid 19 drug treatment’ [Supplementary Concept] OR ‘covid 19 serotherapy’[Supplementary Concept] OR ‘covid 19 vaccine’ [Supplementary Concept] OR ‘Severe Acute Respiratory Syndrome Coronavirus 2’[tiab] OR ncov*[tiab] OR covid*[tiab] OR sars-cov-2[tiab] OR ‘sars cov 2’[tiab] OR ‘SARS Coronavirus 2’[tiab] OR ‘Severe Acute Respiratory Syndrome CoV 2’[tiab] OR ‘Wuhan coronavirus’[tiab] OR ‘Wuhan seafood market pneumonia virus’[tiab] OR ‘SARS2’[tiab] OR ‘2019-nCoV’[tiab] OR ‘hcov-19’[tiab] OR ‘novel 2019 coronavirus’[tiab] OR ‘2019 novel coronavirus*’[tiab] OR ‘novel coronavirus 2019*’ [tiab] OR ‘2019 novel human coronavirus*’[tiab] OR ‘human coronavirus 2019’[tiab] OR ‘coronavirus disease-19’ [tiab] OR ‘corona virus disease-19’[tiab] OR ‘coronavirus disease 2019’[tiab] OR ‘corona virus disease 2019’[tiab] OR ‘2019 coronavirus disease’[tiab] OR ‘2019 corona virus disease’[tiab] OR ‘novel coronavirus disease 2019’ [tiab] OR ‘novel coronavirus infection 2019’[tiab] OR ‘new coronavirus*’[tiab] OR ‘coronavirus outbreak’[tiab] OR ‘coronavirus epidemic’[tiab] OR ‘coronavirus pandemic’[tiab] OR ‘pandemic of coronavirus’[tiab]) AND (‘2019/12/01’[PDAT] : ‘2099/12/31’[PDAT])
	Search string PUBMed 2: (‘wuhan’[tiab] or china[tiab] or hubei[tiab]) AND (‘Severe Acute Respiratory Syndrome Coronavirus 2’[Supplementary Concept] OR ‘COVID-19’ [Supplementary Concept] OR ‘covid 19 diagnostic testing’[Supplementary Concept] OR ‘covid 19 drug treatment’[Supplementary Concept] OR ‘covid 19 serotherapy’[Supplementary Concept] OR ‘covid 19 vaccine’[Supplementary Concept] OR ‘coronavirus*’[tiab] OR ‘corona virus*’[tiab] OR ncov[tiab] OR covid* [tiab] OR sars*[tiab])
	Search string Embase 1: (‘severe acute respiratory syndrome coronavirus 2’:ti,ab OR ‘severe acute respiratory syndrome coronavirus 2’/exp OR ‘covid 19’/exp OR ncov*:ti,ab OR covid*:ti,ab OR ‘sars cov 2’:ti,ab OR ‘sars-cov-2’:ti,ab OR ‘sars coronavirus 2’:ti,ab OR ‘sars coronavirus 2’/exp OR ‘severe acute respiratory syndrome cov 2’:ti,ab OR ‘wuhan coronavirus’: ti,ab OR ‘wuhan seafood market pneumonia virus’:ti,ab OR sars2:ti,ab OR ‘2019-ncov’:ti,ab OR ‘hcov-19’:ti,ab OR ‘novel 2019 coronavirus’:ti,ab OR ‘2019 novel coronavirus*’:ti,ab OR ‘novel coronavirus 2019’/exp OR ‘2019 novel human coronavirus*’:ti,ab OR ‘human coronavirus 2019’:ti,ab OR ‘coronavirus disease-19’:ti,ab OR ‘corona virus disease-19’:ti,ab OR ‘coronavirus disease 2019’:ti,ab OR ‘coronavirus disease 2019’/exp OR ‘corona virus disease 2019’:ti,ab OR ‘2019 coronavirus disease’:ti,ab OR ‘novel coronavirus 2019*’:ti,ab OR ‘novel coronavirus disease 2019’:ti,ab OR ‘novel coronavirus infection 2019’:ti,ab OR ‘2019 corona virus disease’:ti,ab OR ‘new coronavirus*’:ti,ab OR ‘coronavirus outbreak’:ti,ab OR ‘coronavirus epidemic’:ti,ab OR ‘coronavirus pandemic’:ti,ab OR ‘pandemic of coronavirus’:ti,ab OR ‘severe acute respiratory syndrome coronavirus 2 vaccine’/exp OR ‘covid 19 vaccine’/exp) AND (2020:py OR 2021:py)
	Search string Embase 2: (wuhan:ti,ab OR china:ti,ab OR hubei:ti,ab) AND (‘severe acute respiratory syndrome coronavirus 2’:ti,ab OR ‘severe acute respiratory syndrome coronavirus 2’/exp OR ‘severe acute respiratory syndrome coronavirus 2’ OR ‘covid*’:ti,ab OR ‘covid 19’/exp OR ‘covid 19’ OR coronavirus*:ti,ab OR ‘corona virus*’:ti,ab OR ncov:ti,ab OR covid*:ti,ab OR sars*:ti,ab OR ‘sars coronavirus 2’/exp) + additional hand research/evaluation of the preprint servers arXiv, bioRxiv, ChemRxiv, medRxiv, Preprints.org, Research Square and Social Science Research Network (SSRN)
Endnote Smartgroups	Search string ‘Mental Health’: Smartgroup 1: Mental OR psychological OR psychosocial OR Psychisch OR psychische OR psychischer OR psychischen OR depression OR anxiety OR Angst Smartgroup 2: mentale OR Resilienz OR resilience OR Lebenszufriedenheit OR life satisfaction OR PTSD OR Wellbeing OR Wohlbefinden OR Suizid OR suicide Search string ‘Deutschland’: Smartgroup 3: German OR Germany OR deutsch OR Deutschland OR deutsche OR deutscher
Data bank of the World Health Organization (08.06.2021) https://search.bvsalud.org/global-literature-on-novel-coronavirus-2019-ncov/	Search string as a combination of the endnote search terms (tw:(Mental OR psychological OR psychosocial OR Psychisch OR psychische OR psychischer OR psychischen OR depression OR anxiety OR Angst OR mentale OR Resilienz OR resilience Lebenszufriedenheit OR life satisfaction OR PTSD OR Wellbeing OR Wohlbefinden OR Suizid OR suicide)) AND (tw:(German OR Germany OR deutsch OR Deutschland OR deutsche OR deutscher))
Google search	ENGLISH: (Covid OR Corona OR pandem*) AND German* AND (Mental OR disorder OR wellbeing OR distress OR substance OR missuse OR violence OR abuse) GERMAN: Covid AND German* AND Psych* Krankenkasse OR Krankenversicherung OR Routinedaten AND Corona OR Covid AND Psych