‘We have waited a long time for this moment,’ White House COVID-19 coordinator Dr. Ashish Jha said.

Holdouts are from all over American society, fueling experts’ advice that there is no one-size-fits-all vaccine message and that people need to hear from trusted sources.

Officials are hoping that extending vaccinations to children will allow schools to reopen with minimal disruption this fall.

‘There’s no question: We do want to immunize children.’

Amid the global clamor for more vaccine doses, the largest pharmaceutical companies are helping manufacture doses for less-experienced rivals.

President Joe Biden predicts that by late spring there will be enough vaccine to administer to anyone that wants it.