In vespertilionid bats, including those in the genus Neoromicia, virus conspecific with MERS-CoV differs from human MERS-CoV, even if formally a member of the same species.
A bundle branch block is a delay or obstruction along the pathway that electrical impulses travel in your heart to make it beat. It is not an obstruction of blood flow in an artery or anywhere else. It indicates an âelectricalâ problem.
RBBB Symptoms. Right bundle branch block does not cause symptoms. Related symptoms depend on the underlying cause for the right bundle branch block and the severity of underlying heart disease. Symptoms of heart disease that may occur with right bundle branch block include: 1  Chest pain. 2  Difficulty breathing. 3  Dizziness. 4  Fainting. 5  Faintness. 6  Leg swelling (bilateral):