Merck & Co., Inc. (MRK) Recalls Vaccine After Accidental Release: FDA  
6/22/2012 8:23:07 AM

Merck & Co Inc recalled a batch of vaccines for measles, mumps, and rubella after it accidentally shipped doses to its U.S. customers before internal company approval for market release, U.S. health regulators said. An investigation by Merck concluded that there were no product safety, quality, or efficacy concerns associated with the batch, the U.S. Food and Drug Administration said on its website.