I had covid back in September and now have it again. I’m assuming in September I had Delta and now have Omicron. One thing I will point out is that with Delta I tested positive on every rapid test I took plus the PCR. This time I was negative on every rapid test but positive on the PCR. The difference I noticed in the testing is that they are now basing your PCR off of a saliva sample rather than nasal swab. At least that’s what they’re doing at Trustmark park. I read somewhere that Omicron and some other recent variants aren’t detected nearly as accurately from nasal swab as they are from saliva. If true, that would explain why the at home tests are way off.