PMC:7738161 / 4435-4586 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T27","span":{"begin":67,"end":134},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" the direct impact of these measures on transmission is not known. Distancing measures have high economic, health, and social impacts. Thus, there is a"}