A recent Johns Hopkins study found that those who have had COVID, even cases that are asymptomatic or showed mild symptoms, are at greater risk of heart problems in future. This, then, is tragically another aspect of long COVID.

https://publichealth.jhu.edu/2022/covid-and-the-heart-it-spares-no-one

The key statement: "People who got COVID-19 and were asymptomatic, or got COVID-19 that was so mild that they were able to nurse it at home, without going to the doctor still developed an increased risk of heart problems a year out."