That's already being done in some places that have limited numbers of tests. The governor of Nebraska announced that they are pooling tests to save on test kits

That's already being done in some places that have limited numbers of tests. The governor of Nebraska announced that they are pooling tests to save on test kits. Samples from 5 people are combined in 1 test. If the sample tests negative, those people are in the clear. If the sample tests positive, all 5 are then tested again separately.