PMC:7551987 / 1800-1918 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T11","span":{"begin":62,"end":64},"obj":"Sentence"},{"id":"T12","span":{"begin":65,"end":77},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" may have considerably different epidemiological signatures.\n\n1. Introduction\nInteractions between the life history of"}