PMC:7026896 / 211-404 JSONTXT

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{"project":"LitCovid-sentences","denotations":[{"id":"T3","span":{"begin":30,"end":106},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"se improved as a consequence. Nevertheless some questions remain and not all lessons have been successful. The national and international response demonstrates the complex link between public h"}