PMC:7738161 / 30532-30679 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T212","span":{"begin":0,"end":147},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The delays between exposure and reporting present obvious challenges for monitoring the success of control measures using reported case-count data."}