PMC:7796344 / 16350-16634 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T121","span":{"begin":0,"end":284},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, this study reported less than half of the pilgrims (n = 418, 41.3%) surveyed actually had this vaccination, an issue that has been raised before by Ahmed et al. (2006) [5] and Shibl et al. (2017) [13], which should be examined again to avoid the spread of contagious disease."}