Original Article Prevalence and Risk Factors of Myasthenia Gravis Exacerbation Related to COVID-19 Vaccination at Siriraj Hospital Saranthorn Puengcharoenkul, Kanokwan Boonyapisit Myasthenia Gravis (MG) is a neuromuscular junction disorder caused by an autoimmune response against the post-synaptic neuromuscular junction, which later disrupts neural transmission to muscles, leading to muscle weakness. ตุลาคม - ธันวาคม 2567