PMC:7784824 / 7139-7315 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T78","span":{"begin":0,"end":176},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Since antibody production by the specific immune system is subject to delay, a lower diagnostic performance of serological assays in the early phase of the disease is expected."}