Varicella zoster virus countries. Varicella vaccination has raised concerns in some that the immunity induced by the vaccine may not be lifelong, possibly leaving adults vulnerable to more severe disease as the immunity from their childhood immunization wanes. Vaccine coverage in the United States in the population recommended for vaccination is approaching 90%, with concomitant reductions in the incidence of varicella cases and hospitalizations and deaths due to VZV. So far, clinical data has proved that the vaccine is effective for over 10 years in preventing varicella infection in healthy individuals and when breakthrough infections do occur, illness is typically mild. In 2007,
Technical draw go a required distance and have replaced it with a no contest. 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