As children ages 5 to 11 begin to get vaccinated against COVID-19, even younger kids are participating in clinical trials that will determine if they will be able to get similar protection against the disease in the near future.
This week, the University of Wisconsin School of Medicine and Public Health announced a phase 3 clinical trial of the Moderna vaccine in kids ages 6 months to 4 years old had filled up. The trial has been underway for two weeks.