How can Wake County seniors 75 or older register for the covid vaccine?

Here is a link for NC. Scroll down to Wake County.

https://www.northcarolinahealthnews.org/2021/01/07/when-and-where-your-county-is-distributing-the-covid-19-vaccine/

You’re asking in the wrong place. You need to contact your primary care dr or maybe your local health department and ask them. The vaccine rollout is different everywhere.