Since the Icelanders returning from Ischgl started presenting symptoms shortly after their flight from Munich , authorities believe they must have caught the virus before the flight .
After additional cases were traced to Ischgl in Austria , the Health Directorate defined Ischgl as a high-risk area.  Authorities in the Tyrol state of Austria however contend that the Icelanders returning from Ischgl probably became infected on their flight from Munich but this is considered `` very unlikely '' by Icelandic health authorities as this group presented symptoms very soon after the flight .
2020 coronavirus pandemic in Iceland