It’s not likely, but it’s not impossible.

Keir Giles, a Russia expert with the international affairs think-tank Chatham House, urged caution about reports of Prigozhin’s death. 

“Multiple individuals have changed their name to Yevgeniy Prigozhin, as part of his efforts to obfuscate his travels,” he said. 

“Let’s not be surprised if he pops up shortly in a new video from Africa.” 

Euronews

Basically every news organization that reported today on Putin’s comments has said something like: “[Putin] stopped short of explicitly confirming Prigozhin’s death.”