Influenza Vaccine Supply Issues in 2005-2006
Author Information
Author(s): Bardenheier Barbara H, Strikas Raymond, Kempe Allison, Stokley Shannon, Ellis Jean
Primary Institution: Centers for Disease Control and Prevention
Hypothesis
What were the causes of the influenza vaccine supply problems during the 2005-2006 season?
Conclusion
Most providers surveyed received only part of their orders by mid-December due to shortfalls and delays in vaccine shipments.
Supporting Evidence
- Less than half of the providers in most groups placed a single order that was accepted.
- Only 57% of federally qualified health centers reported receiving at least 40% of their orders.
- Most internists and federally qualified health centers referred patients to other locations due to inadequate supplies.
Takeaway
This study looked at why there weren't enough flu vaccines in 2005. Many doctors didn't get all the vaccines they ordered, which made it hard for them to help patients.
Methodology
Surveys were sent to various health care providers to assess their experiences with ordering influenza vaccines.
Potential Biases
Providers with problems receiving vaccines may have been more likely to respond.
Limitations
Sampling schemes varied among provider groups, and response bias may have occurred.
Participant Demographics
Surveyed groups included pediatricians, internists, federally qualified health centers, and state health departments.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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