PMC:7060038 / 3154-3314 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T14","span":{"begin":82,"end":83},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" travellers. Previously we estimated the effectiveness of traveller screening for a range of pathogens that have emerged in the past, and found that arrival scr"}