U.S. health officials say 4.4 million Americans have rolled up their sleeves for the updated COVID-19 booster shot. The Centers for Disease Control and Prevention posted the count Thursday as public health experts bemoaned President Joe Biden's recent remark that "the pandemic is over."

The White House said more than 5 million people received the new boosters by its own estimate that accounts for reporting lags in states.

Health experts said it is too early to predict whether demand would match up with the 171 million doses of the new boosters the U.S. ordered for the fall.

"No one would go lo...