What’s it all mean???

With time, the second dose of vax has 0% vaccine effectiveness against omicron

How can anyone justify vaccine mandates? With 0% effectiveness they are incapable of slowing the spread to others

Todays CDC slides pic.twitter.com/v177AXMPWx

— Vinay Prasad MD MPH (@VPrasadMDMPH) May 20, 2022