CORD-19:3c1f47a07aaf0e393dee9fbd08596a4b9f4f0a03 / 316280-316381 JSONTXT

{"project":"Epistemic_Statements","denotations":[{"id":"T676","span":{"begin":0,"end":101},"obj":"Epistemic_statement"}],"text":"The phenomenon might reflect the quality of the vaccine and the consequences of previous vaccination."}