According to NBC News Wednesday, President Joe Biden is expected to announce this week that his administration will require federal employees to be vaccinated against the coronavirus.Two administration officials confirmed to NBC that Biden will announce the new rules Thursday. They were created following a White House internal review. The date of the changes is not known.Biden will also announce new steps his administration is taking in order to increase the U.S. vaccine rate. This has slowed down significantly in recent months, and fallen below previous White House goals, NBC reported.As the highly transmissible delta virus spreads throughout the globe, the new measures are being implemented. It is a significant source of new infections in the United States.