Coxsackie, more formally known as Coxsackievirus, refers to a group of enteroviruses belonging to the Picornaviridae family. These viruses are responsible for causing a wide range of illnesses in humans, primarily during childhood and early adulthood. Coxsackieviruses are highly contagious and can be transmitted through close contact with an infected person or contaminated surfaces. There are two main groups of Coxsackieviruses: A and B. Each group can cause different types of infections.