I think he might refer to this document [1] On your second point, this is a recommendation for all tests, nor just the ones performed by the CDC (do they test

I think he might refer to this document [1] On your second point, this is a recommendation for all tests, nor just the ones performed by the CDC (do they test themselves?) [1] https://www.cdc.gov/vaccines/covid-19/downloads/Information-for-laboratories-COVID-vaccine-breakthrough-case-investigation.pdf https://www.cdc.gov/vaccines/covid-19/downloads/Information-...