Danish health officials today said the COVID-19 Omicron (B.1.1.529) variant is spreading across the country, following revelations yesterday from the United Kingdom that the variant is spreading in different parts of England.Meanwhile, several world hot spots continue to battle Delta (B1617.2) variant surges, with some nations in Europe taking new steps to curb the spread in the lead-up to the holidays.More reports of community spreadAt a briefing today, Denmark's Patient Safety Authority Director Anette Lykke Petri, MD, said Omicron variant activity is spreading though the society, with large outbreaks in the east and west, according to Reuters.