PMC:7796344 / 25380-25521 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T176","span":{"begin":0,"end":141},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The worsening of pre-existing medical conditions is particularly relevant for Umrah pilgrims who tend to be older and with multi-morbidities."}