Study provided by the same people who said the vaccines immunize and prevent infection. I literally brought this up in the post you responded to.
https://www.cdc.gov/mmwr/volumes/70/wr/mm7013e3.htm
https://www.cdc.gov/mmwr/volumes/70/wr/social-media/mm7013e3...
This is misinformation we now know this is a lie. Why do you think the CDC is publishing misinformation? Why do the 'fact checkers' not fact check these lies?