The claim
新型コロナワクチンによって「献血で使えない血」が急増した
Original review summary
The review says the increase in blood-product recalls was attributed mainly to COVID-19 infections identified after donation, not vaccination. Of the 251 recalls in fiscal 2021, 234 involved infection, suspected infection, or a positive infection test; the review also reports that no recalls due to vaccination had occurred since 2021.[S1]
Additional context
The review reports that recalls rose from 71 in fiscal 2020 to 251 in fiscal 2021 and 593 in fiscal 2022. [S1]
Research date:
Sources and attribution
- [S1] 日本ファクトチェックセンター original review
Original review · Retrieved October 16, 2026