Stockholm County, July 6 -- People who have survived cancer as children are at higher risk of developing severe COVID 19, even decades after their diagnosis.

This is shown by a new study from Karolinska Institutet.

With medical science development in terms of research and technology, more and more children are surviving cancer. However, even long after treatment has ended, health risks may remain. In a new registry study, researchers investigated how adult childhood cancer survivors in Sweden and Denmark were affected by the COVID 19 pandemic.

The study included over 13,000 people who had been diagnosed with cancer before the age of 20 and who were at least 20 years old when the pandemic began. They were compared with both siblings and...