PMC:7796344 / 7214-7334 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T44","span":{"begin":0,"end":120},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The wearing of face masks was mandated with no public health emergency noted when the Hajj ended early August 2020 [19]."}