"It's still very much in the works and nothing has changed," a source stated.
The 80-year-old is expected to signal his intention to run in the state-of-the-union address to the nation on February 7 and make a more formal declaration closer to the spring.
This is despite the ongoing controversy surrounding the find of classified documents at Biden's private office in Washington, DC. The scandal has dominated White House briefings in January, stirring uncertainty among his Democrats, the media has learned.
A Democratic strategist who spoke to newspaper on condition of anonymity said the issue was overtaking the campaign. It has allowed Republicans to draw parallels between Biden and his predecessor, Donald Trump, who has his own secret papers scandal to deal with.