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- Title
Active Case Finding of Current Bornavirus Infections in Human Encephalitis Cases of Unknown Etiology, Germany, 2018-2020.
- Authors
Eisermann, Philip; Rubbenstroth, Dennis; Cadar, Daniel; Thomé-Bolduan, Corinna; Eggert, Petra; Schlaphof, Alexander; Leypoldt, Frank; Stangel, Martin; Fortwängler, Thorsten; Hoffmann, Florian; Osterman, Andreas; Zange, Sabine; Niller, Hans-Helmut; Angstwurm, Klemens; Pörtner, Kirsten; Frank, Christina; Wilking, Hendrik; Beer, Martin; Schmidt-Chanasit, Jonas; Tappe, Dennis
- Abstract
Human bornavirus encephalitis is a severe and often fatal infection caused by variegated squirrel bornavirus 1 (VSBV-1) and Borna disease virus 1 (BoDV-1). We conducted a prospective study of bornavirus etiology of encephalitis cases in Germany during 2018-2020 by using a serologic testing scheme applied along proposed graded case definitions for VSBV-1, BoDV-1, and unspecified bornavirus encephalitis. Of 103 encephalitis cases of unknown etiology, 4 bornavirus infections were detected serologically. One chronic case was caused by VSBV-1 after occupational-related contact of a person with exotic squirrels, and 3 acute cases were caused by BoDV-1 in virus-endemic areas. All 4 case-patients died. Bornavirus etiology could be confirmed by molecular methods. Serologic testing for these cases was virus specific, discriminatory, and a practical diagnostic option for living patients if no brain tissue samples are available. This testing should be guided by clinical and epidemiologic suspicions, such as residence in virus-endemic areas and animal exposure.
- Subjects
GERMANY; BORNA disease virus; ETIOLOGY of diseases; ENCEPHALITIS; INFECTION; RESEARCH; ANIMAL experimentation; RESEARCH methodology; RNA; ZOONOSES; MEDICAL cooperation; EVALUATION research; COMPARATIVE studies; RNA viruses; LONGITUDINAL method
- Publication
Emerging Infectious Diseases, 2021, Vol 27, Issue 5, p1371
- ISSN
1080-6040
- Publication type
journal article
- DOI
10.3201/eid2705.204490