Smith or Jones ??? Viruses have been classified over the years in many ways. Sometimes from where found, parvo from dogs, or shape=rotovirus looks like a tennis ball with spikes coming out. A better way to group them is by family, often because they act in similar ways. The herpesvirus family tend to persist in humans for life. They include subtypes like HPV, herpes simplex, varicella zoster & many more.