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Chapter 12b: TBE in Switzerland/Liechtenstein
symptomatic patients have reported a tick bite Approximately 80% of all symptomatic
1
5
within 4 weeks of onset. Less than 2% of patients are hospitalized. The mean duration
cases experienced tick bites outside of for hospitalization was 9 days (interquartile
Switzerland. range 5–11 days), and duration increased
linearly with age (5 days in children less than
14 years old to 14.6 days for patients older
5
than 70 years).
Overview of TBE in Switzerland
Table 1: Virus, vector, transmission of TBE in Switzerland
European subtype; 97–98.4% similar to the reference Neudoerfl
strain, strain Genbank = U27495; mostly: strain NETBE7, HQ883372
Viral subtypes, distribution
& NETBE8 (HM450136, HM450137, HM450138, HM450140,
6,7
HM450141)
Reservoir animals Small mammals such as rodents, birds 6,7
Infected tick species (%) Ixodes ricinus. 1.6–9.9% in areas <2000 meters altitude 6,8
Dairy product transmission Not documented
2
Figure 1: Burden of TBE in Switzerland 2000-2018
Latest raw data can be found at https://id-ea.org/tbe/tbe12b33/#data1
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