PMC:7738161 / 5066-5295 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T32","span":{"begin":0,"end":229},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Schools closed for an annual two-week break on March 14 and then were declared indefinitely closed on March 17. (B) Time from symptom onset to reporting from case-specific data as of April 11, 2020 and (C) reported cases per day."}