The Swedish Public Health Agency is now studying why the virus is seen to be more widespread in ice hockey than in other sports.
This is done together with Norway and Finland, where the same pattern exists, says Anders Tegnell.
- There is little evidence that it happens on the ice, it seems to happen more in replacement booths and changing rooms, says Tegnell.
Watch the clip where Mikael Renberg explains why he thinks hockey is extra exposed.