The full tranche of vaccine Johnson & Johnson committed in February to delivering may not be ready to ship until the second or third week of April, the officials said, potentially complicating preparations for states expecting millions of J&J shots…

Johnson & Johnson spokesperson Jake Sargent told POLITICO that the company “expect[s] to deliver 20 million single-shot vaccines by the end of March.” But three individuals with knowledge of the situation, including two senior administration officials, say the current production process may be subject to logistical complications and regulatory delays. The White House did not comment…

“There is a slowness to J&J getting stuff done,” said a person familiar with the process. “They are slow to address some of this stuff. No one thinks they move fast.”