PMC:7796072 / 7386-7570 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T52","span":{"begin":0,"end":184},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The high number of cases in Singapore seems to stem from clusters in male migrant workers living in close proximity in crowded living quarters, promoting higher infectious spread [33]."}