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Do you have a point to make with those links?

Remember that I said that I am a PhD educated molecular biologist? Molecular biology is the study of the structure and function of nucleic acids. Having a PhD means that I have learned more about this topic than the majority of people even realize exists.

No one who studies molecular biology is unaware of the invention of PCR by Kary Mullis. When I was in grad school, I attended a lecture given by a friend of Kary Mullis and learned some things about him that are not (and never will be) common knowledge. He was an oddball, to be sure, but the tenaciousness he showed in order to develop PCR is awe-inspiring. PCR is so difficult to master that I used to joke that one could only be successful after making a suitable sacrifice to the PCR gods. (A suitable sacrifice would be something cute like a butterfly or an undergraduate student.)

Nowhere in that video did Kary Mullis say that PCR is unsuitable for diagnosis. What he said was that it is not really helpful for analyzing HIV patients. And he said that using it for detecting retroviruses in HIV patients is pointless, since we all have retroviruses in our DNA (about 8% of our genome is retroviruses). He did NOT say that it is useless as a diagnosis tool.