Epstein-Barr virus (EBV), also known as human herpesvirus 4, is a member of the herpes virus family. It is one of the most common human viruses. EBV is found all over the world.Most people get infected with EBV at some point in their lives.pstein-Barr virus (EBV), also known as human herpesvirus 4, is a member of the herpes virus family. It is one of the most common human viruses. EBV is found all over the world.
10 hilariously insightful foreign words. A leaf spring is a simple type of suspension spring commonly used in vehicles. This type of spring is typically constructed of one or more flat, thin, flexible steel strips that are joined together in order to work as a single unit.
Leaf Curl. Leaf curl is a fungal disease that can attack various fruit tree varieties, but is most prevalent on peach and nectarine trees. Leaf curl is caused by the fungus Taphrina deformans.Early in the spring, shortly after the leaves emerge, the leaves appear thickened, puckered and curled and often a yellow, pink and red color. As the season progresses, the growth of new shoots is stunted and a whitish-gray powdery substance appears on the leaves.eaf curl is caused by the fungus Taphrina deformans. Early in the spring, shortly after the leaves emerge, the leaves appear thickened, puckered and curled and often a yellow, pink and red color.