Fig. 1From: Serologic response and safety of COVID-19 vaccination in HSCT or CAR T-cell recipients: a systematic review and meta-analysisPRISMA flow diagram summarizing the process for study identification. 4993 articles were identified through the literature search. 4966 were excluded after the screening. 27 articles met eligibility criteria and were included for the analysis. HSCT: hematopoietic stem cell transplantation; CAR T-cell therapy: chimeric antigen receptor T-cell therapyBack to article page