This article says he’s vaxxed and boosted.
Vaxxed and Boosted Al Roker Hospitalized for Blood Clots
Roker was an early recipient of the COVID-19 vaccine in January 2021, getting his shot on live TV on the Today Show:
Roker said in September that he had tested positive for COVID a week after being boosted. Roker said his symptoms were mild.
https://yournews.com/2022/11/18/2456544/vaxxed-and-boosted-al-roker-hospitalized-for-blood-clots/