PMC:7675688 / 19991-20126 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T154","span":{"begin":0,"end":135},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"To identify asymptomatic or presymptomatic carriers, the Navy added rRT-PCR testing at the end of the “restriction of movement” period."}