PMC:7068164 / 14955-15210 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"179","span":{"begin":220,"end":225},"obj":"Disease"}],"attributes":[{"id":"A179","pred":"tao:has_database_id","subj":"179","obj":"MESH:D003643"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"ulation. Serological studies are vital to understand the proportion of cases who are asymptomatic. Hospital-based surveillance could help estimate the incidence of severe cases and identify risk factors for severity and death. Established hospital surveil"}

{"project":"LitCovid-sentences","denotations":[{"id":"T134","span":{"begin":9,"end":98},"obj":"Sentence"},{"id":"T135","span":{"begin":99,"end":226},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ulation. Serological studies are vital to understand the proportion of cases who are asymptomatic. Hospital-based surveillance could help estimate the incidence of severe cases and identify risk factors for severity and death. Established hospital surveil"}