Myasthenia Gravis Walks EVENTS June 21, 2013 There are 16 Myasthenia Gravis walks left this year and there is still time to sign up. The walks help raise awareness and funds for Myasthenia Gravis. To view a complete list of the 2013 walks please click here. Myasthenia GravisMyasthenia Gravis Foundation of America Myasthenia Gravis, Myasthenia Gravis Foundation of America