Table 2.
Notifications of human West Nile virus infections since autochthonous emergence of the virus in Germany, 2018–2021
Source: SurvNet, database of infectious diseases with mandatory notification requirement in Germany
| Type of infections | 2018 | 2019 | 2020 | 2021 | Total | |
|---|---|---|---|---|---|---|
| Notification according to IfSG | Travel-associated cases1 | 10 | 7 | 1 | 1 | 19 |
| Autochthonous cases1 | 1 | 5 | 20 | 4 | 30 | |
| Autochthonous asymptomatic infections | 0 | 0 | 2 | 0 | 2 | |
| Notification according to TFG only | Autochthonous infections in blood donors. | Not recorded | Not recorded | 8 | 1 | 9 |
| Total | 11 | 12 | 31 | 6 | 60 |
1 Symptomatic infections
IfSG=German Protection against Infection Act, TFG=German Transfusion Act