Stuart Smith used to enjoy driving fast cars, kayaking and flying planes. But the mysterious condition known as “long Covid” has upended his personal and professional life. We spoke with Smith, a lawyer whose career was cut short after he got sick, and WSJ’s Sumathi Reddy and Gwynn Guilford about the economic and emotional impacts of long Covid. Further Reading: - Covid-19 Illnesses Are Keeping at Least 500,000 Workers Out of U.S. Labor Force, Study Says  - A Key to Long Covid Is Virus Lingering in the Body, Scientists Say  Further Listening: - How Will We Know When the Pandemic's Over?  - The Labor Shortage That's Causing More Labor Shortages  Learn more about your ad choices. Visit megaphone.fm/adchoices