Apparently it can become more deadlier.
https://www.dw.com/en/uk-covid-varia...xdjzZxQ5htImw8
As long as the vaccinated individual continues to be careful by wearing a mask and social distancing, because they can still be a asymptotic carrier of the disease even after vaccination.
https://www.nytimes.com/2021/01/18/b...us-deaths.html