Moderna Says Dosing Started in Pediatric Study of Covid Shot (1)

Moderna Inc. said the first children have been dosed in a clinical trial of its Covid-19 vaccine in kids from six months to less than 12 years old.

The phase 2-phase 3 trial is being conducted in conjunction with the National Institute of Allergy and Infectious Diseases, the company said in a statement on Tuesday. The study is expected to enroll approximately 6,750 participants in the U.S. and Canada.

The Cambridge, Massachusetts-based company’s shares rose 5.2% to $151.14 at 10:12 a.m. in New York trading.

The two-part study will look at three dose levels in the youngest children and two ...