In the United States, where daily cases have doubled over the past two weeks, some events have been canceled, but the annual celebration in Times Square in New York will go on, with attendance capped at 15,000.

Dr. Anthony S. Fauci, the nation’s top infectious-disease expert, recommended on Monday that people “stay away” from large New Year’s Eve parties, especially when it is not clear who has been vaccinated. Speaking on CNN, Dr. Fauci said, “There will be other years to do that, but not this year.”

As another 12 months living with the pandemic draws to a close, here’s a look at how Omicron has forced some cities to change their plans for Dec. 31…