PMC:7033698 / 296-417 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T7","span":{"begin":27,"end":28},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"Knowing the origin of such a pathogen is critical to develop means to block further transmission and to develop vaccines."}

{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":0,"end":121},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Knowing the origin of such a pathogen is critical to develop means to block further transmission and to develop vaccines."}