PMC:7405836 / 3039-3222 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T73422","span":{"begin":7,"end":8},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" posed a global health threat, causing an ongoing pandemic in many countries and territories (1).\nHealth workers worldwide are currently making efforts to control further disease outb"}