[1] essentially says that there is no value for people who got infected by SARS CoV-2 to get vaccinated:

"our findings suggest that once an individual has fully recovered from initial infection, prior SARS CoV-2 infection protects against subsequent SARS-CoV-2 infection and its related negative outcomes. Moreover, the level of effectiveness seemed similar in both the recovered and fully vaccinated cohorts. With a paucity of vaccine doses, this should be one of several aspects that should be considered when deciding whether or not to prioritize vaccination of previously infected adults."