PMC:7080117 / 2978-3104 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T20","span":{"begin":26,"end":27},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T21","span":{"begin":102,"end":103},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"ced the event constituted a Public Health Emergency of International Concern (PHEIC), indicating that a big threat to global h"}