PMC:7796344 / 86-328 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":9,"end":17},"obj":"Sentence"},{"id":"T3","span":{"begin":18,"end":29},"obj":"Sentence"},{"id":"T4","span":{"begin":30,"end":157},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"0H-2019\n\nAbstract\nBackground: Annually, approximately 10 million pilgrims travel to the Kingdom of Saudi Arabia (KSA) for Umrah from more than 180 countries. This event presents major challenges for the Kingdom’s public health sector, which s"}