![Rick Pollack, American Hospital Association CEO and President standing in front of United States flag and the AHA seal.](/sites/default/files/2022-04/AT-Rick-Pollack-Perspective-2022-News-900x400.jpg)
Completing the Moderna or Pfizer COVID-19 monovalent vaccine primary series protects children aged 3-5 and 3-4, respectively, against symptomatic SARS-CoV-2 infection for at least four months, according to a study in those ages released yesterday by the Centers for Disease Control and Prevention.