The basically undeniable lab leak hypothesis is included with a minor tweak that renders the claim incorrect. The thing about fluoride differs from reality only because it has incorrect claims about people's motives. If it said "Fluoride concentration is negatively correlated with IQ" it would just be a fact. "Vaccine harm coverup" is untrue but one could be forgiven for mistakenly believing in it after an endless stream of lies about vaccine efficacy and other sorts of covid misinformation from the CDC and WHO. For a specific example of this sort of thing, in April of 2022, at the height of big tech censorship of "covid misinformation," you could search for "is covid airborne" on Google and get a summary of this article[0] above all the search results, informing you that it's totally not airborne.

[0]: https://www.who.int/news-room/commentaries/detail/modes-of-t...