PMC:7060038 / 35123-35361 JSONTXT

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{"project":"LitCovid-PD-CLO","denotations":[{"id":"T118","span":{"begin":232,"end":233},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"o main factors influenced the effectiveness of screening. First, symptom screening depends on the natural history of an infection: individuals are increasingly likely to show detectable symptoms with increasing time since exposure. A fund"}

{"project":"LitCovid-sentences","denotations":[{"id":"T223","span":{"begin":58,"end":231},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"o main factors influenced the effectiveness of screening. First, symptom screening depends on the natural history of an infection: individuals are increasingly likely to show detectable symptoms with increasing time since exposure. A fund"}