Table 4 Key terms included in search strings

Covid-19

“ncov” OR “2019 ncov” OR “Covid-19” OR “Covid19” OR “Covid-2019” OR “Covid2019” OR “sars-cov-2” OR “sars cov-2” OR “sarscov2” OR “sarscov-2” OR “sars-coronavirus-2” OR “sars corona virus” OR “sars-like coronavirus” OR “novel coronavirus” OR “novel corona virus” OR “Covid*” OR “coronavirus 2” OR “coronavirus infection*” OR “coronavirus disease” OR “corona virus disease” OR “new coronavirus” OR “new corona virus” OR “new coronaviruses” OR “novel coronaviruses” OR “severe acute respiratory syndrome coronavirus 2” OR “coronavirus” OR “sars-cov”

Physical distancing

“social distancing” OR “social isolation” OR “physical distancing” OR “physical distance” OR “safe distancing” OR “lockdown” OR “lock down” OR “quarantine” OR “stay-at-home” OR “stay at home” OR “self isolation” OR “self-isolation” OR “remote work” OR “school closure” OR “workplace closure”

Policy measure

“act” OR “design” OR “govern*” OR “intervention” OR “law” OR “legislation” OR “politics” OR “regulation” OR “policy” OR “policies” OR “policy measure” OR “policy instrument” OR “policy mix” OR “policy bundle” OR “policy package”