“…A significant proportion of cases were due to hematological system adverse events, which is not surprising given that VITT 62 and pulmonary embolism (PE) 63 have been reported in the literature as serious adverse events following COVID-19 vaccination. Deaths caused by adverse effects to the respiratory system were also relatively common in our review, a finding that is in line with the possibility of developing acute respiratory distress syndrome (ARDS) or drug-induced interstitial lung disease (DIILD) after COVID-19 vaccination 64,65 . Although uncommon among cases in this study, immunological 66 , neurological 67 , and gastrointestinal 68 adverse events can still occur after COVID-19 vaccination and, as with the cardiovascular system, may be directly or indirectly caused by the systemic expression or circulation of SP.…”