PMC:7376974 / 340-477 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T4928","span":{"begin":57,"end":69},"obj":"http://purl.obolibrary.org/obo/UBERON_0001155"},{"id":"T54896","span":{"begin":110,"end":115},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"}],"text":"since the second world war. Additionally, the continuous colonization of wild natural lands may touch unknown virus reservoirs, causing t"}