PMC:7039910 / 3845-4100 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T26","span":{"begin":3,"end":158},"obj":"Sentence"},{"id":"T27","span":{"begin":159,"end":225},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"k. In particular, Imai et al.9 provided the first estimation, using R0 of 2.6 and based on the number of cases in China and those detected in other countries. Other authors estimated R0 to be 3.813, 6.4714, 2.215, and 2.6816. These predictions were very a"}