👉 Arbovirus is a type of virus that infects and causes disease in trees. These viruses are called "arboviruses" because they have an arbuscular growth habit, meaning they grow on or on the surface of trees. The specific characteristics of arboviral infections depend on the species of tree and the strain of virus. Arboviruses are important for several reasons. They can be used to study how viruses spread from one host to another, as well as to