PMC:7784824 / 840-1024 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T16","span":{"begin":49,"end":136},"obj":"Sentence"},{"id":"T17","span":{"begin":137,"end":179},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"RS-CoV-2 were tested using 14 commercial assays. Additionally, 10 pre-pandemic sera and 9 potentially cross-reactive sera were selected. We calculated sensitivity and specificity. Furt"}