Hum...https://www.bloomberg.com/news/articles/2021-04-22/-long-hauler-study-shows-covid-can-kill-months-after-infection?
Al-Aly and his colleagues documented the cascade of debilitating effects that plague survivors months after diagnosis, from blood clots, stroke, diabetes and breathing difficulties to heart, liver and kidney damage, depression, anxiety and memory loss. They also found the risk of complications was far higher than with the flu.