Authorities in Pfaffenhofen, where the deceased reportedly lived, have also confirmed a second infection. The individual is currently undergoing medical treatment.
Borna Virus Infections Remain Extremely Rare
Borna virus cases in Germany are exceptionally uncommon. Since the disease became nationally notifiable in March 2020, the Robert Koch Institute (RKI) has recorded no more than seven cases per year. To date, a total of 55 confirmed infections have been documented.
Pfaffenhofen’s local health department is currently investigating how the two individuals may have contracted the virus. An official statement from the district emphasized that intensive efforts are underway to trace the potential sources of transmission.
Munich Continues Routine Monitoring Without Additional Precautions
Despite Pfaffenhofen’s proximity—only about 50 kilometers north of Munich—the city is not implementing any special health measures at this time. A spokesperson for Munich’s Department of Public Health explained that zoonotic diseases (those transmitted between animals and humans) have long been under continuous surveillance.
“We are closely following national developments and emerging scientific data on the Borna virus,” the spokesperson said. “At present, there is no indication that specific actions are needed in Munich.”
Transmission Via Shrews Unlikely in Urban Munich
The virus is known to be carried by a specific type of shrew—the field shrew—which differs significantly from common mice. These animals have sharply pointed snouts, a distinct odor, and relatively small eyes and ears. According to the city’s health authorities, field shrews are not currently found within Munich’s urban area.
Originally, the Borna virus was recognized as an animal pathogen, particularly affecting horses, sheep, and other mammals. It wasn’t until 2018 that scientists were able to establish a link between the virus and severe, often fatal encephalitis in humans.
While the confirmed cases in Pfaffenhofen demonstrate that infection is possible, the overall risk remains extremely low. As a result, health officials are not recommending any special precautions for the general public and will continue relying on careful observation and scientific research to monitor the situation.
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