Varicella zoster virus Varicella zoster virus Varicella zoster virus or varicella-zoster virus (VZV) is one of eight herpesviruses known to infect humans. It causes chickenpox (varicella), a disease most commonly affecting children, teens, and young adults, and shingles (herpes zoster) in adults; shingles is rare in children. VZV is a worldwide pathogen known by many names: chickenpox virus, varicella virus, zoster virus, and human herpesvirus type 3 (HHV-3). VZV infections are species-specific to humans, but can survive in external environments for a few hours, maybe a day or two. VZV multiplies in the lungs, and causes a wide variety of symptoms. After the
Technical draw Technical draw A technical draw is a term used in boxing when a fight has to be stopped because a fighter is unable to continue from an accidental injury (usually cuts) or foul. Draws occur when the bout goes to the scorecards, and the officials cannot determine a winner. If a winner is determined, the decision is referred to as a technical decision. Technical draws also occur when a bout has not completed a certain number of rounds (usually four), which makes it not an "official fight." Most states have eliminated the technical draw decision for bouts that do not