Herpesviruses are a large family of viruses that can cause infections in humans and animals. They are known for their ability to remain dormant in the body after the initial infection, often reactivating later. Common types include Herpes Simplex Virus (HSV), which causes cold sores and genital herpes, and Varicella-Zoster Virus (VZV), responsible for chickenpox and shingles. These viruses spread through direct contact with an infected person or through bodily fluids. While there is no cure for herpesviruses, treatments can help manage symptoms and reduce the frequency of outbreaks. Vaccines are available for some types, like VZV, to prevent infection.