MUSK and myasthenia gravis: 10 case reports of new-onset MG following COVID-19 have been analyzed with the following features: mean age 51 years, male gender (6), time interval between COVID-19 and MG (5-56 days), generalized (7), bulbar and/or ocular symptoms (5), anti-AChR antibodies (9) and anti-muscle specific kinase antibodies (anti-MUSK) (2) (93, 94).