Sweden has not closed bars and restaurants during the pandemic. The result has been more cases of coronavirus infection. But far fewer people are immune than would be needed for Sweden to achieve herd immunity.

GOTLAND, SWEDEN – JULY 17: People stand in line without social distancing outside a restaurant on July 17, 2020 in Gotland, Sweden. Sweden largely avoided imposing strict lockdown rules on its citizens as the coronavirus (COVID-19) arrived earlier this year. Consequently, it has recorded thousands more deaths than other Scandinavian countries, putting its per capita death rate higher than that of the United States. (Photo by Martin von Krogh/Getty Images)