Interim Updated Planning Guidance on Allocating and Targeting Pandemic Influenza Vaccine during an Influenza Pandemic

During a future influenza pandemic, effective allocation and administration of pandemic influenza vaccine will play a critical role in preventing influenza and reducing its effects on health and society. Although the overarching aim of the national pandemic influenza vaccination program is to vaccinate all persons in the United States (U.S.) who choose to be vaccinated, prior to the peak of disease, the vaccine supply to meet this goal may not be sufficient early in a pandemic.