PMC:7784824 / 881-1051 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T16","span":{"begin":8,"end":95},"obj":"Sentence"},{"id":"T17","span":{"begin":96,"end":138},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"assays. Additionally, 10 pre-pandemic sera and 9 potentially cross-reactive sera were selected. We calculated sensitivity and specificity. Furthermore, we discuss the dia"}