PMC:7253235 / 253-405
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T1","span":{"begin":46,"end":51},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"}],"text":"enty-first century. Originating in Wuhan, the virus rapidly spread and impacted subsets of populations with initial unclear risk factors contributing to"}