PMC:7796344 / 6547-6783 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T40","span":{"begin":30,"end":135},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" are needed [13,14,15,16,17]. Hoang et al. (2019) conducted sequential systematic testing of 121 French pilgrims during Hajj 2018 [18]. Amongst their sample, 40.5% reported wearing a face mask, 55.4% washing hands more often, and 87.6% "}