Varicella vaccine were vaccinated as children were still protected from varicella." However, since only one out of five Japanese children were vaccinated, the annual exposure of these vaccinees to children with natural chickenpox boosted the vaccinees' immune system. In the United States, where universal varicella vaccination has been practiced, the majority of children no longer receive exogenous (outside) boosting, thus, their cell-mediated immunity to VZV (varicella zoster virus) wanes—necessitating booster chickenpox vaccinations. As time goes on, boosters may be necessary. Persons exposed to the virus after vaccine tend to experience milder cases of chickenpox. Catching "wild" chickenpox as a child has been
Academy Award for Technical Achievement Academy Award for Technical Achievement The Technical Achievement Award is one of three Scientific and Technical Awards given from time to time by the Academy of Motion Picture Arts and Sciences. (The other two awards are the Scientific and Engineering Award and the Academy Award of Merit.) The Technical Achievement Award is an honorary award that is given annually to those whose particular technical accomplishments have contributed to the progress of the motion picture industry. The award is a certificate, which describes the achievement and lists the names of this being honored for the particular contribution. These awards are usually