coronavirus.In Cologne, the western city whose Carnival festivities are perhaps the best known, Mayor Henriette Reker appealed for residents to stay home and bide their time until next year’s celebrations.“As a Carnival fanatic, my heart is bleeding today,” she said on Twitter.One of Germany’s first superspreader events stemmed from a Carnival celebration in a town west of Cologne last February where many people came in contact with an infected man.This year authorities were taking no chances.