Pneumonic Plague Symptoms Explained After Russian Scientist's Death

Senator Rubio has urged calm following reports that the U.S. is tracking a suspected pneumonic plague death involving a Russian scientist at a laboratory. Health authorities explain that while pneumonic plague can be fatal, the disease remains treatable if it is detected early. The situation has drawn attention to the symptoms of the illness and the specific circumstances surrounding the death of the scientist within the Russian facility as monitoring efforts continue by American officials.