cohort_flow_chart a Searched for all records in: Web of Science Core Collection                       For research article or literature review that contains in title or abstract one or more of the terms: herd  immunity,  lockdown, focused  protection, non-pharmaceutical-interventions; AND contains in title or abstract one or more of the terms: covid, coronavirus, COVID-19, SARS-CoV-2, 2019-nCoV, HCoV-19, hCoV-19.                       Total records retrieved N =1988 b Removed records that met one or more the following conditions: same corresponding author. Total records removed N = 112 a->b c Included records: N = 1883 a->c d Identified the corresponding author, and retrieved their emails when available: N = 1841 c->d e Currently invited authors: N = 1841 d->e f Undelivered emails: N = 128 e->f g Net number invited authors: N = 1713 e->g