PMC:7376974 / 439-500
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T54896","span":{"begin":11,"end":16},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"}],"text":"ch unknown virus reservoirs, causing the spread of epidemics."}