PMC:7519301 / 187-367 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T3","span":{"begin":14,"end":15},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T4","span":{"begin":51,"end":56},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"},{"id":"T5","span":{"begin":71,"end":72},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"ossibility of a universally effective vaccine. The virus can mutate in a given individual, and these variants can be propagated across populations and time. To understand this proc"}

{"project":"LitCovid-sentences","denotations":[{"id":"T4","span":{"begin":47,"end":156},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ossibility of a universally effective vaccine. The virus can mutate in a given individual, and these variants can be propagated across populations and time. To understand this proc"}