The most recent available Danish government figures show that out of more than 1,400 cases in Denmark, 298 contracted the virus in Austria. In comparison, only 61 cases are linked to travel to Italy, so far the hardest-hit country in Europe.
“At first, we didn’t understand how this many cases could have happened,” Christensen, who had been briefed by experts working on Iceland’s response to the pandemic, said. But a clearer picture emerged when officials worked out what was going on in some of Ischgl’s tightly packed bars and clubs.
“We realized that they exchanged saliva because they were playing beer pong,” using their mouths, he said, although he did not single out any specific bars where the game took place. The game involved spitting ping pong balls out of their mouths into beer glasses, and those balls were then reused by other people.