Oregon Population-Based Rates (PBR)
ALERT Immunization Information System (IIS) data provide a great starting point for assessing population-based rates in Oregon because the system is so well populated. Over 95% of all childhood immunizations given in Oregon since 1999 are in ALERT.
Using this data, the Immunization Program developed a methodology to measure county rates for two-year-olds and adolescents that accounts for mobility in and out of the state and allows for comparisons among counties. In 2014, the Oregon Immunization Program (OIP) adjusted this methodology to improve the consistency and comparability of these rates across the assessment years. When applied to 2008-2013 ALERT IIS data, the result is a 2%-5% drop from previous rates. The revised figures, however, remain within the confidence intervals calculated by the National Immunization Survey (NIS) for Oregon two-year olds UTD rates.
Select a county below to view a PDF file containing the county's rates, or view all of Oregon's statewide immunization rates (pdf).
Interested in seeing your county's rates by census tract? Call the Oregon Immunization Program (971-673-0300) to make a request.
Oregon Population-based Rates FAQs - Update coming soon!
The National Immunization Survey (NIS)
The NIS is a phone survey of families of young children and their healthcare providers. Its purpose is to collect immunization data to determine coverage rates nationwide. The NIS is a useful tool for monitoring immunization trends over time for each state and to detect changes in coverage levels among states. The NIS surveys approximately 200-400 families, which allows for state-to-state comparisons and state trending over time, but it does not allow for any estimates of sub-populations in Oregon, such as county rates.
According to the 2013 NIS, the vast majority of parents are making sure that their children get vaccinated against potentially serious diseases. Nationally, vaccination coverage among children 19-35 months old in 2013 increased or remained stable for all routinely recommended childhood vaccines.
NIS Up-to-date Child Vaccination Rates
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Oregon and US - 2013 (pdf)
Oregon 2008 - 2013 (pdf)
NIS website (Clicking here leaves this site)
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