Fig 1.
Flow chart of TBE patients selected to the study.
Fig 2.
TBE incidence rates in whole population; 1973–2016; vaccine uptake gradually increased from 39% (2009) to 52% in 2015.
Fig 3.
TBE incidences in children (<18 years) and adults, 2007–2016, using the E-CDC case definition.
Fig 4.
TBE average incidence rate per 100 000 inhabitants by regions of Latvia (period 2007–2016).
Fig 5.
Average TBE seasonality by months (period 2007–2016;n = 1929).
Fig 6.
Number of TBE cases per age group and gender.
Fig 7.
TBE clinical forms by age groups.
Table 1.
Number of vaccine doses administered and median interval of TBE occurrence in any patient with TBE who had received at least one TBE vaccine dose.
Fig 8.
Vaccine outcome in previously vaccinated TBE cases.
Table 2.
Number of “vaccine failures” and “vaccine ineffectiveness” cases of TBE by vaccine doses and product used.