| Search set | CIDG SRa | CENTRAL | MEDLINEb | EMBASEb | LILACSb |
| 1 | tick‐borne encephalitis | tick‐borne encephalitis | tick‐borne encephalitis | TICK‐BORNE ENCEPHALITIS | tick‐borne encephalitis |
| 2 | tick borne encephalitis | tickborne encephalitis | tickborne encephalitis | tickborne encephalitis | tickborne encephalitis |
| 3 | 1 or 2 | ENCEPHALITIS, TICK‐BORNE | ENCEPHALITIS, TICK‐BORNE | tick NEXT borne NEXT encephalitis | 1 or 2 |
| 4 | vaccin* | 1 or 2 or 3 | 1 or 2 or 3 | 1 or 2 or 3 | vaccin* |
| 5 | 3 and 4 | vaccin* | vaccin* | vaccin$ | 3 and 4 |
| 6 | — | 4 and 5 | 4 and 5 | 4 and 5 | — |
| 8 | — | — | Limit 5 to human | Limit 5 to human | — |
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