Hantavirus Brno loanvirus is highly specific to the common noctule bat (Nyctalus noctula) and widespread in Central Europe.

"all new brno loanvirus sequences are deposited at genbank under the accession numbers om912836- om912844. data availability the entire information on the bats investigated here is given within the manuscript and the supplementary information. all new brno loanvirus sequences are deposited at genbank under the accession numbers om912836"

"Declarations Conflict of interestThe authors declare that they have no competing interests. Ethical approvalThe collection of dead bats in Germany, Poland and Austria was performed in the frame of passive rabies surveillance and virus infection studies in animals. As for rabies testing, the testing of dead found bats is recommended and laid down in the EUROBATS agreement, resolution 5.2, Bats and rabies. The bats in Austria were handled and cared for in accordance with the Animal Protection guidelines and legal approval of the sampling had been granted (Ethic committee approval ETK-08/02/2018). Conflict of interest The authors declare that they have no competing interests."

"Funding Open Access funding enabled and organized by Projekt DEAL. Maysaa Dafalla acknowledges support by the German Academic Exchange Service (DAAD) [Personal ref. no.: 91529281]. GH was supported by the Swiss National Science Foundation (31003A_176209). The investigations in the laboratory of RGU were supported by the Helmholtz Association within the Initiative and Networking Fund for Infection Research Greifswald (project HANTadapt-022021). Petra Straková was supported by project NU21-05-00143 of the Ministry of Health of the Czech Republic."