PMC:7146663 / 515-690 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T3","span":{"begin":134,"end":139},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"}],"text":"na, South Korea, and many other countries, and the presence of asymptomatic cases together with the ease of modern travel allowed the virus to reach every continent, with the "}

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T9","span":{"begin":134,"end":139},"obj":"NCBITaxon:10239"},{"id":"T25","span":{"begin":66,"end":80},"obj":"UBERON:0004535"},{"id":"T26","span":{"begin":139,"end":143},"obj":"UBERON:0000104"}],"text":"na, South Korea, and many other countries, and the presence of asymptomatic cases together with the ease of modern travel allowed the virus to reach every continent, with the "}