"Central Asian nations bordering Russia have secured their borders following reports of suspected plague. In addition to enacting a civilian travel ban, these countries have also deployed targeted biosurveillance restrictions."

"While Central Asian states have restricted borders with Russia, Western nations are evaluating broader restrictions. The European Union is reportedly working with European Centre for Disease Prevention and Control (ECDC) to monitor the situation. These nations are relying on updates from the WHO. Experts note that European nations are prepared with modern antibiotic stockpiles that can be used to treat infections caused by Yersinia pestis.
The United States is also actively monitoring the situation. No direct flight restrictions have yet been placed, but officials are reportedly pressuring Russia to provide transparent reporting."

https://insiderpaper.com/nations-tighten-borders-russia-plague/