PMC:7214329 / 1240-1478 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T5","span":{"begin":178,"end":179},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"nd 37.50% for the general isolation ward and intensive care unit, respectively, and no significant difference was observed between them (P = .238). The top 5 sampling sites with a positive rate in medical areas were beepers (50.00%), wate"}