Abstract

In February 2007, CDC received notice from Merck & Co., Inc., that because of lower than expected amounts of varicella-zoster virus (VZV) in its recently manufactured bulk vaccine, Merck was prioritizing production of varicella (Varivax®) and zoster vaccines (Zostavax®) over production of MMR-V vaccine (ProQuad®)

  • Recommendation
  • Americas
  • United States of America
  • Varicella