PMC:7060038 / 17543-17761 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T59","span":{"begin":68,"end":69},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"Percent of travellers aware of exposure risk 20% 5–40% We assume a low percentage, as no specific risk factors have been identified, and known times or sources of exposure are rarely reported in existing line lists."}

{"project":"LitCovid-sentences","denotations":[{"id":"T96","span":{"begin":0,"end":218},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Percent of travellers aware of exposure risk 20% 5–40% We assume a low percentage, as no specific risk factors have been identified, and known times or sources of exposure are rarely reported in existing line lists."}