Robert Whitfield Md
@drrobertwhitfielddmd·2M subscribers·4.3K videos
PCR Testing: Three Things It Can and Cannot Tell Us
Posted
August 19, 2026
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August 19, 2026
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0:57Now PlayingPCR can detect bacterial DNA, identify organisms, and show how often findings appear across a large sample. It cannot prove those bacteria caused symptoms, determine whether they were alive or dead, or diagnose an active infection by itself.
In our published study, 694 capsule and tissue samples were submitted for microbial profiling. 203, or 29%, returned positive microbiological findings.
Join me live Thursday, August 20 at 6 PM Central as I explain detection, colonization, biofilm, and infection.
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