Yes, that's part of the whole purpose of pasteurization, there is ample proof that it is generally useful at that, and there is specific research showing that it is effective for avian flu. And that's just normal pasteurization, when GP said his potentially over-cautious approach is to only consume ultra-pasteurized milk if it sourced from the US.

https://www.fda.gov/food/alerts-advisories-safety-informatio...

Let me introduce you to the "germ theory" of disease. It makes more accurate predictions about the world than other disease theories!

https://www.todayifoundout.com/index.php/2016/08/history-pas...

I'm struggling to think of definitions of these terms where this sentiment might seem coherent

Yes, as per the FDA's own website[0]

[0]https://www.fda.gov/food/alerts-advisories-safety-informatio...

Back in June some testing was done in UK based on samples from US.

https://www.gla.ac.uk/news/headline_1078447_en.html

Would love to see your sources to the contrary!