Croatia was a rare European country to bring daily new Covid-19 cases to zero back in May. Now it has become an example of how summer tourism triggered a second wave of infections sweeping much of the continent. The fall from poster boy to hot spot came after the government, motivated by economic concerns, decided to open the coastal nation’s borders early this summer and woo the foreign tourists who have been a pillar of its economy. After becoming infected, the tourists returned home, taking the virus with them.

Source: Wall Street Journal September 21, 2020 10:32 UTC