File:Coxsackie B4 virus.JPG

Coxsackie B4 virus Using immunoelectron microscopic technique, one is able to discern the morphologic traits of the Coxsackie B4 virus virions. In addition to the three different polioviruses, there are 61 non-polio enteroviruses that can cause disease in humans. These include the 23 Coxsackie A viruses, 6 Coxsackie B viruses, 28 echoviruses, and 4 other enteroviruses. Description from WikiMedia Commons.

Source: CDC's Public Health Image Library Image #5630