Electro-acupuncture for Long Covid Neuropsychiatric Symptoms

Inclusion Criteria: * adults over 18 years of age to 80; * history of SARS-CoV-2 PCR+ at least 4 weeks prior to study entry; SARS-CoV-2 negative (PCR) at study entry; * at least one persistent neurological symptom (impaired concentration, headache, sensory disturbances, or depression, or "brain fog") that began around the time of the acute COVID-19; * willing and able to consent, complete all assessment and study procedures. Exclusion Criteria: * any chronic or remote neurological disorder (i.e. stroke, head trauma, epilepsy, tumor); * intellectual disability pre-existing to the Covid-19 episode;cardiovascular diseases such as arrhythmia, heart failure, myocardial infarction, and patients with cardiac pacemakers, * acute brain injury or acute encephalopathy from another aetiology than covid (e.g., sepsis, liver or renal failure, alcohol or drug withdrawal, drug toxicity); * documented pre-existing history of psychiatric illness, including substance abuse; * open-heart cardiac surgery or cardiac arrest during the last 6 months; * current hospitalization; * pregnant women.