Southern California entered 2022 amidst a quick rise in Covid cases from the Omicron variant, with grown-ups ages 18 to 49 transmitting the virus at a high rate and authorities asking the public to curtail holiday weekend gatherings to help slow the surge.

Los Angeles County recorded in excess of 27,000 new cases on the last day of 2021, far above the previous winter’s pinnacle normal of 16,000 cases per day. Almost 1 of every 4 individuals who are being tested are positive for a Covid disease, authorities said.

The daily totals of new Covid cases are multiplying like clockwork. On Tuesday, 9,473 cases were accounted for; Wednesday, 16,510; Thursday, 20,198; and Friday, 27,091. The positive test rate for the latest seven-day time frame was 22.4%, twofold what it was really going after week that finished on Christmas, when it was 11.4%.

Over 70% of Covid cases in Los Angeles County from Dec. 22 to Dec. 28 were among grown-ups more youthful than 50. During the previous winter’s flood, grown-ups in that age range made up 55% of Covid cases. Case rates per 100,000 individuals have expanded the fastest in that age group.