PMC:7738161 / 35817-35944 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T245","span":{"begin":0,"end":127},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Recent work suggests that both pre- and asymptomatic individuals may be contributing considerably to transmission [27, 28, 44]."}