Several regions of Russia have experienced minor outbreaks of an unknown illness with early symptoms in humans appearing to be similar to those of pneumonia.

Finland’s Helsinki Times reported Russian physicians and patients report a list of symptoms such as high fever and coughing. But so far, there is no confirmation from Russian authorities about the specifics of the illness and whether it is caused by a bacterial infection or a virus.

Physicians have, at least in some cases, been recording the illness with a classification of “acute upper respiratory tract infection, unspecified” (ARVI), the Times reported.

Read more at Newsmax© 2025 Newsmax. All rights reserved.