Western intelligence officials, as well as the Kremlin, this week dismissed longstanding rumors that Vladimir V. Putin, the 69-year-old Russian president, is unwell.
Mr. Putin coughed during a speech in Moscow on Wednesday, leading observers to raise concerns about his health. His planned meeting that day with officials from South Ossetia was canceled, fueling speculation that he was sick. In June, when a video released by state media showed him grasping a table tightly, for a moment too…