He did say it although its often taken out of context and his exact words get twisted to mean more than he was saying. But it has nothing to do with Trump still bragging about the bioweapon.

"“The history of the last 32 years that I have been the director of the NIAID will tell the next administration that there is no doubt they will be faced with the challenges their predecessors were faced with,” he said.

I would expect someone in his position to say something of the sort, and honestly see nothing fishy in that statement.

https://www.healio.com/news/infectious-disease/20170111/fauci-no-doubt-trump-will-face-surprise-infectious-disease-outbreak

And now, I wait for the accusations of being a Fauci shill