A case report in the medical journal Frontiers in Immunology highlights a rare case of a patient developing rheumatoid encephalitis after receiving a booster immunization of the mRNA-1273 COVID-19 vaccine, raising concerns about potential adverse reactions to the vaccine.
A study reports three cases of immune-mediated demyelination of the brain and spinal cord in patients who had recently received a COVID-19 vaccine, "likely" linking the two.