PMC:7068162 / 959-1109 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T11","span":{"begin":6,"end":7},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"lared a public health emergency of international concern by the end of January 2020 [3]. As at 3 March 2020, more than 90,000 confirmed cases and more"}