Yes, it’s a reference to SARS-CoV-2, and no, the lab leak “hypothesis” absolutely isn’t the stronger one.
https://en.wikipedia.org/w/index.php?title=Origin_of_SARS-Co...
https://en.wikipedia.org/w/index.php?title=Origin_of_SARS-Co...
unfortunately I'm not able to work out how the claim in the article follows from the linked documents, so effectively I'm only able to go off the "headline".
Second, note that all that news report actually includes is a call to declassify a classified document, the only non-redacted portions of which are section headings that, for all we normies know, may have been authored by MTG or any number of nutjobs like her. One of the easiest possible ways for a partisan committee to propagandize is to produce documents with contents that can’t (for whatever reason) be declassified and full of leading headings that support their own circularly-arrived-at conclusion.
Virologists and epidemiologists the world over are extremely comfortable that it was a zoonotic transfer. The genome of the virus supports that, as does all available backtracing of the early transmissions. There is zero publicly disclosed physical evidence of a lab origin, there’s just a non-zero chance of a lab origin. Well there’s also a non-zero chance the Earth is flat, the moon landings were faked, and Marjorie Taylor Greene is a genius-level intellect… but me, I’d want physical evidence of any of those before staking myself against the consensus of those with real expertise in the matter.