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'It's not just another COVID wave, it's a tsunami,' that is how one expert describes the threat heading for the U.S. as the Delta variant continues to fuel new cases and hospitalizations. And the omicron variant spreads as quickly as any virus since the measles. We are already seeing the impact as long lines for COVID tests are forming across New York City, these people lining up to be tested at a mobile testing van all before the van even arrived.