Estudo mostra risco aumentado de síndrome de Guillain-Barré após vacina da J&J; a razão de taxas foi de 4,18 para uma janela de 42 dias.

Association of Receipt of the Ad26.COV2.S COVID-19 Vaccine With Presumptive Guillain-Barré Syndrome, February-July 2021 – JAMA

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Study suggests a potential small but statistically significant safety concern for #GuillainBarré syndrome following receipt of the @JanssenUS #COVID19 vaccine; findings considered preliminary pending analysis of medical records to establish a definitive Dx https://t.co/yZjJVkp6BA

— JAMA (@JAMA_current) October 7, 2021