The approval “adds an important new tool to help protect people at high risk of severe disease from COVID-19,” Stephane Bancel, Moderna’s CEO, said in a statement Saturday.

The nation's top public health agency posted new recommendations that say healthy children may get COVID-19 vaccinations, removing language that said kids should get the shots.

Many also worried that the new policy would prompt insurers and government programs to reduce or drop coverage of the cost of the shots.