US regulators approved Moderna Inc.’s Covid vaccine for children, but for a narrower group than before, continuing Robert F. Kennedy Jr.’s controversial policy positions that have led to restricted access to the shots for kids.

The U.S. Food and Drug Administration has granted full approval for Moderna's COVID-19 vaccine, Spikevax, in children aged 6 months through 11 years who are at an increased risk of the disease, the company said on Thursday.