PMC:7796344 / 4732-4944 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T33","span":{"begin":0,"end":212},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Before travelling to Saudi Arabia for Umrah, pilgrims are advised to seek medical advice about potential health risks and bring vaccination certificates to be inspected at the entry port by Saudi authorities [3]."}