Multisystem inflammatory syndrome in children (MIS-C) - analysis of cases 2023-2024 shows 99% were undervaccinated against COVID-19. OVer 2 yrs, 141 MIS-C 78%had no COVID-19 vaccine. All 4 children who died were unvaccinated https://t.co/iBcA4GIdDe https://t.co/IQLLaG55gm