Is it a saliva test or nasal swab? The saliva tests are increasingly available around MN. MDH seems to be encouraging them because the professionals running the show are convinced that people are more likely to do the saliva test, including the ones that are done at home via zoom and returned by UPS. Vault Health (IIRC based in Boston but with a presence here), which is also running a chunk of our vaccination program, is the lab and they established laboratory testing facilities for COVID-19 in a suburb near Minneapolis to increase the state's testing capacity. However, I've always assumed that the saliva tests were PCR, not antigen.