Here's an interesting article that explores this as a bio-weapon accidentally released: https://freepress.org/article/francis-boyle-talks-about-likelihood-covid-19-virus-biowe...

The anthrax event of which the other speaks is indeed factual, and the anthrax used did indeed come from the US military. That was established pretty quickly. Funny how quickly we forget about these things!

It's too bad there are no citations with this article.