The Food and Drug Administration (FDA) this week authorized a new, quick at-home COVID-19 test produced by Siemens Healthineers, as Americans grapple with a widespread shortage of testing options amid a record spike in COVID-19 cases. The rapid antigen test is meant for individuals 14 or older to self-collect specimens. It can be used for younger persons if adults collect samples. Results come back in just 15 minutes, according to the company, and it’s 86.5 percent accurate in detecting positive cases. “Siemens Healthineers is proud to bring this high-quality test, already used and trusted by families, medical professionals, businesses and governments in many parts of the world, to the United States under FDA Emergency Use Authorization,” Christoph Pedain, head of point of care diagnostics for Siemens, said in a statement. Lines at testing sites across the nation have swelled in recent weeks as the Omicron variant of the CCP (Chinese Communist …