Free at Walgreens?
Faulty antibody test is the only option that answers all the questions, so probably the most likely, IMHO.
~$50, but free with most insurance
Takes all of 3 minutes in walgreens.
Are there quant tests there?No charge?
Just walk into any labcorp with an Rx, they're in most walgreens these days. Can also make an appointment on labcorp.com.https://www.labcorp.com/tests/164090/sars-cov-2-semi-quantitative-total-antibody-spike
How long does it take to get results for the LabCorp test