and damaging to social development.
Anyone who supports this concept has no actual understanding of either medicine or education. Such people are motivated by politics or loyalty to a political narrative.
Childen simply cannot properly wear masks, even if you had the best available. In fact, general population adults, who are far better at it than children, are still woefully inadequate in proper usage as well - even with instruction.
The experts being trotted out by the Biden Admin (Fauci, Walensky, et al) do not have the best interest of the children as their top priority. They have the best interest of the Biden Admin and the teacher's union as their top priority. That's why the teacher's union wrote what they wanted, and the CDC changed their guidelines verbatim to the demand letter to honor those wishes.