The peak of cases during the current Omicron-driven COVID-19 wave has not yet arrived, but cases could drop quickly once it does, the head of the Centers for Disease Control and Prevention said Friday. “We are still seeing those numbers rising,” Dr. Rochelle Walensky said on NBC’s “Today” show. According to federal data, the United States recorded 705,264 new cases on Jan. 5. That was one of the highest totals since the pandemic started, but was lower than the overall peak of 958,269 reported on Jan. 3. In South Africa, where scientists discovered the Omicron variant of the CCP (Chinese Communist Party) virus, cases peaked in mid-December and have plunged to less than half as many since. “The way it has peaked in other countries and in South Africa, it has come down rapidly as well, but I don’t believe we’ve seen that peak yet here in the United States,” Walensky said. …