PMC:6988272 / 13593-13713 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T110","span":{"begin":29,"end":31},"obj":"http://purl.obolibrary.org/obo/CLO_0053733"},{"id":"T111","span":{"begin":56,"end":58},"obj":"http://purl.obolibrary.org/obo/CLO_0050507"}],"text":" with illness onset dates on 11 and 19 January [32,33] 22 Jan 2020 Could be because of surveillance bias, but is more "}