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International Parkinson and Movement Disorder Society
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3 cases of Ataxia-Myoclonus syndrome, plus in one opsoclonus

Summary of observations:

In 3 cases symptoms appeared within 14 days after C19 symptoms. All has been proven by PCR or had the serum antibodies detected (1 case). All improved after steroids, in 1 accompanied by IvIg as well. Almost complete symptoms resolution after a few weeks and rehabilitation. 2 cases are already published: Przytuła F, Błądek S, Sławek J. Two COVID-19-related video-accompanied cases of severe ataxia-myoclonus syndrome. Neurol Neurochir Pol. 2021;55(3):310-313. doi: 10.5603/PJNNS.a2021.0036. Epub 2021 Jun 7. PMID: 34096013.

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