Myasthenia gravis is an autoimmune disease that causes muscle weakness. The symptoms are caused by the immune system interfering with the transmission of messages from the nervous system to the muscles. There is no cure, but the symptoms can be managed.
Location of Ningbo on a map. Ningbo is a city found in Zhejiang, China. It is located 29.88 latitude and 121.55 longitude and it is situated at elevation 15 meters above sea level. Ningbo has a population of 3,491,597 making it the 3rd biggest city in Zhejiang.
Ningbo (âCalm Wavesâ) is situated in the low-lying coastal plain on the Yong River, some 16 miles (25 km) upstream from its mouth in Hangzhou Bay, at the confluence where two tributaries, the Yuyao and Fenghua rivers, join the main stream.