Flu Vaccine Stored for Pandemic Risk Found Safe, Immunogenic

Influenza vaccine stored up to 12 years as part of the US Department of Health and Human Services’ pandemic readiness plan is safe and immunogenic, a study has found. The H5N1 avian influenza antigen and adjuvant maintained their functional integrity in the National Pre-Pandemic Influenza Vaccine Stockpile, according to testing led by Rick Bright, PhD, director of the Biomedical Advanced Research and Development Authority (BARDA).