By IDSE News Staff
The FDA approved the inclusion of intramuscular (IM) administration to the U.S. package insert for Merck’s measles-mumps-rubella-varicella (MMRV) family of vaccines, increasing the options for administering routinely recommended injectable pediatric vaccinations, according to a company release.
The MMRV vaccine family includes M-M-R II, Varivax and ProQuad. These vaccines have long been used in the United States. However, until now, they have only been given