PMC:7080035 / 464-532
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T3","span":{"begin":37,"end":42},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"}],"text":"break was still unrecognized and the virus infectivity was unknown. "}