It says "Report your work! Be sure to fill out the Doorknocking Spreadsheet with the counts of who still needs a vaccine, who is already vaccinated, who needs more info, etc. This is important information that the Health Department is relying on!"
LIE. They will put you on a f*cking list. They're clearly using this to get people to voluntarily offer their vaxx status and overcome medical privacy laws. Plus, maybe if their numbers are fakely inflated, they'll stop this nonsense.
You're already on the list! They know who has been vaccinated, so just by process of elimination they know who isn't vaccinated. I'm sure we each have a nice little profile that even says our likeiness of getting vaccinated.