In testimony to U.S. Senate Appropriations Subcommittee on May 19, 2021 CDC Director Rochelle Walensky claimed:

"Data have demonstrated even if you were to get infected during post-vaccination, you can’t give it to anyone else."

This wasn't true. Walensky was lying to Congress. pic.twitter.com/RcCmQXkmgm

— Kevin Bass PhD MS (@kevinnbass) March 23, 2023