The FDA's decision on whether to renew Pfizer's Covid-19 vaccine for young children is causing worry among health officials.
This could leave a major gap in vaccine availability for children under five, as Moderna's vaccine has limited authorization.
Low vaccination rates among young children are already a concern, and this potential shortage could exacerbate existing issues.
Experts emphasize the ongoing need for Covid-19 vaccination among children, citing potential long-term health risks from infection.
