Miller Fisher syndrome: Adverse effect of booster dose for COVID-19

ABSTRACT

Introduction: The SARS-CoV-2 coronavirus has been a challenge for public health, establishing the vaccine as the best tool for its prevention. Clinical case We present the case of a patient in whom Miller Fisher syndrome was documented after receiving her booster dose with the Oxford-AstraZeneca vaccine. Conclusion(s) At the moment, a causal relationship between vaccination against COVID-19 and the development of Miller Fisher syndrome cannot be established, but knowledge of this potential adverse effect is relevant for early diagnosis and timely treatment. Copyright © 2022 Sociedad Neurologica Argentina