PMC:7029452 / 8259-8436 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T63","span":{"begin":105,"end":113},"obj":"http://purl.obolibrary.org/obo/CLO_0001658"},{"id":"T64","span":{"begin":138,"end":139},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"d case, shared the same hospital room, lived in the same household or shared any leisure or professional activity in close proximity with a confirmed case, or travelled together"}