A mink is photographed on a farm in October in Hjoerring, in North Jutland, Denmark. Denmark will cull its population of mink after discovering coronavirus outbreaks.

A mink is photographed in a farm in Hjoerring, in North Jutland, Denmark, on October 8, 2020. – Denmark will cull the entire 15 million mink farmed on its territory because of a mutation of coronavirus Covid-19 already transmitted to 12 people, which threatens the effectiveness of a future vaccine for humans, as Prime Minister Mette Frederiksen announced on November 4, 2020. (Photo by Mads Claus Rasmussen / Ritzau Scanpix / AFP) / Denmark OUT (Photo by MADS CLAUS RASMUSSEN/Ritzau Scanpix/AFP via Getty Images)