https://yestino.com/entities/russia-rubio-44531aEvery event involving Russia Rubioenhttps://yestino.com/events/us-watching-closely-after-plague-researcher-dies-in-russia-r-ae84cdhttps://yestino.com/events/us-watching-closely-after-plague-researcher-dies-in-russia-r-ae84cdMon, 05 Oct 2026 19:55:00 GMTThe US says it is monitoring the case of a lab technician who died at a plague research centre in Siberia. Sources: BBC World