Slipup? Fauci Calls Original Covid-19 Variants the 'Prototype' Viruses

It is well known that Anthony Fauci has been accused of participating in some form or fashion with the creation of Covid-19 through gain-of-function research that the Chinese Communist Party is suspected of engaging in before the pandemic. Did he slip up in this clip and call it what it was likely referred to behind closed doors in the past?