Tough return: "Vomiting after the qualifiers and the final"

In early January, Zebastian Modin tested positive for covid-19.

Now he's back.

On Friday, Modin finished fourth in the World Cup sprint in Östersund.

- It was very tough.

Lactic acid is a poison to the body.

When you have not felt it in five, six weeks, it is tough.

I vomited both after the qualifier and the final, he says to SVT Sport afterwards.

Stanislav Chokhlaev won the sprint.