"I can see now that the scientific community from the CDC to the WHO to the FDA and their representatives, repeatedly overstated the evidence and misled the pub

"I can see now that the scientific community from the CDC to the WHO to the FDA and their representatives, repeatedly overstated the evidence and misled the public about its own views and policies, including on natural vs. artificial immunity, school closures and disease transmission, aerosol spread, mask mandates, and vaccine effectiveness and safety, especially among the young." Don't see any support for any of these points in the article.