Algeria; COVID-19; Guillain Barré syndrome; C reactive protein; creatinine; hydroxychloroquine; adult; anosmia; arthralgia; breathing rate; case report; cerebrospinal fluid; clinical article; coronavirus disease 2019; demyelination; dizziness; electroneuromyography; fatigue; female; glucose blood level; Guillain Barre syndrome; headache; human; hypesthesia; hypotension; Letter; leukocyte count; middle aged; muscle weakness; myalgia; neurologic disease; nose smear; paraplegia; protein electrophoresis; quadriplegia; risk factor; seizure; tachycardia; thorax radiography; vomiting