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Vaccination rate and adherence of tick-borne encephalitis vaccination in Germany. | LitMetric

AI Article Synopsis

  • Tick-borne encephalitis (TBE) is an important viral infection that primarily affects the central nervous system, and vaccination is crucial for prevention since there's no direct treatment available.
  • A study using anonymized health data from Germany analyzed TBE vaccination rates from 2012-2015, revealing that initiation rates were low, especially in northern states, with compliance decreasing after each dose.
  • The findings showed a significant gap in vaccination uptake across regions, with some states showing rates as low as 10%, highlighting the need for improved adherence and awareness among healthcare providers when initiating the vaccination process.

Article Abstract

Background: Tick-borne encephalitis (TBE) is an arboviral infection of the central nervous system. As there is no causal treatment of TBE, disease prevention by vaccination is especially important. Immunization consists of a three-dose primary vaccination schedule, followed by regular booster doses. In Germany, the Standing Committee on Vaccination (STIKO) at the Robert Koch-Institute recommends TBE vaccination for all those at high risk of contracting TBE. This includes individuals living in, traveling to and/or working in risk areas, and being exposed to ticks. To our knowledge, there are currently no reliable data on TBE vaccination rates in Germany available.

Methods: This retrospective cohort study based on anonymized German health claims data was conducted to determine vaccination rates of TBE primary immunization in 2012 to 2015 by federal state, compliance with the vaccination schedule, and TBE vaccination uptake for the 2011 birth cohort. Vaccination protection rates for each federal state were simulated based on a compartmental model.

Results: Vaccination rates of an initiated primary immunization ranged from about 3% in the southern federal states to <1% in the northern federal states. Across all federal states, compliance with the vaccination schedule decreased with each subsequent vaccination. Slightly higher TBE vaccination uptake was determined in the 2011 birth cohort, as compared to the German school entry health examination statistics in 2017. Simulated vaccination protection rates for each federal state ranged from 10% in Hamburg to 51% in Baden-Wuerttemberg.

Conclusions: While there was an overall low vaccination uptake and a discrepancy between areas of high vs. low TBE risk, this study also indicates a concerning decline in vaccination compliance. Vaccinating physicians should address the importance of adherence upon initiation of TBE vaccination.

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Source
http://dx.doi.org/10.1016/j.vaccine.2020.12.047DOI Listing

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