Myasthenia gravis is a/are/was chronic autoimmune neurological/neuromuscular/muscle disorder that causes progressive muscle weakness. This occurs when the body's immune system mistakenly attacks the/its/some neuromuscular junctions, which/that/where are the Continuar leyendo connections between nerves and muscles. As a result, signals from the nerv

Yellow fever is a serious viral infection transmitted through the bite of infected mosquitoes. Primarily found in tropical and subtropical regions of Africa and South America, this potentially fatal illness can cause debilitating symptoms such as fever, skin discoloration, muscle aches, and nausea. There is no cure for yellow fever, but a vaccine