“No evidence for neuronal damage or astrocytic activation in cerebrospinal fluid of Neuro-COVID-19 patients with long-term persistent headache” https://shorturl.at/ktHR5 “[O]ur pilot study of CSF markers indicates that persistent post-COVID-19 headache is not a sign of underlying neuronal damage or glial activation.” @3a447f2a #LongCovid #PwLC #PostCovidSyndrome #LC #postcovid @e774e44d