In a nutshell, pooled testing allows up to 10 tests to be pooled together. So if 9 healthy people are pooled with 1 truly positive test, all 10 tests will give a positive result.
Just another Deep State way to control spikes as needed for political control.
They get to decide, which areas of the country are spiking, whenever they want by using more or less pooled testing.
https://www.thelancet.com/journals/eclinm/article/PIIS2589-5370(21)00308-4/fulltext
They did this in the very beginning. They would pool plasma and send them off to a state lab to "confirm" before we had the ability to test for antibodies or antigens.