https://www.reuters.com/article/factcheck-pediatrics-website/fact-check-american-academy-of-pediatrics-said-documents-moved-as-part-of-website-migration-idUSL1N2PR1QG
AAP claims chunks of information missing is due to migrating everything to a new platform, and will be republished.
Besides the donor information in previous notables, they also pulled down information regarding the importance of facial cues in child development to reinforce masking children.
We should keep eyes on to be sure all that information does indeed resurface.