PMC:7269710 / 6889-7087 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T59","span":{"begin":0,"end":198},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We used open source information from other countries (including government websites), news aggregators (eg, ProMed), and media reports to identify secondary transmissions in the respective clusters."}