PMC:7160441 / 2234-2388 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T12","span":{"begin":50,"end":57},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"},{"id":"T13","span":{"begin":132,"end":138},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"at the end of February 2020. In the first week of testing, week 9 (the week starting 24 February 2020), none of 119 submitted swabs tested positive for SA"}