PMC:7210464 / 624-782 JSONTXT

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{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":18,"end":75},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ransmission rate. The virus spread was contained by the middle of February. Population outflow from the outbreak source region posed a higher risk to the dest"}