PMC:7551987 / 435-725 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T5","span":{"begin":28,"end":233},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"rent host–parasite systems. Most examinations of the evolution of virulence-transmission relationships—Theoretical or empirical in nature—Tend to focus on the evolution of virulence, with transmission being a secondary consideration. Even within transmission studies, the focus on free-livi"}