As the U.S. government officially launches a website to give away 500 million free, at-home rapid Covid test kits, the industry that makes the key tool for fighting the omicron surge is suffering from its own pandemic supply chain issues. While the companies grapple with shortages of everything from test kit material to packaging supplies to trucks to deliver the boxes, executives at top rapid Covid test companies have tested positive for coronavirus themselves, along with hundreds of production employees who are out due to Covid infections.