PMC:7060038 / 42217-42539 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T147","span":{"begin":69,"end":70},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T148","span":{"begin":119,"end":122},"obj":"http://purl.obolibrary.org/obo/CLO_0051582"}],"text":"to restrict the number of parallel chains of transmission present in a country. Once there is generalized spread which has outpaced contact tracing, departure screening to prevent export of cases to new areas will be more valuable than arrival screening to identify additional incoming cases. Altogether, screening should "}

{"project":"LitCovid-sentences","denotations":[{"id":"T262","span":{"begin":80,"end":292},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"to restrict the number of parallel chains of transmission present in a country. Once there is generalized spread which has outpaced contact tracing, departure screening to prevent export of cases to new areas will be more valuable than arrival screening to identify additional incoming cases. Altogether, screening should "}