PMC:7060038 / 6957-7096 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T37","span":{"begin":40,"end":56},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"tions on travellers inbound from China. Until about Feb. 20, 2020, these measures had appeared to successfully limit community transmission"}