Relative Vaccine Effectiveness of the Third Dose of CoronaVac or BNT162b2 Following a Two-Dose CoronaVac Regimen: A Prospective Observational Cohort Study from an Adult Vaccine Center in Turkey. - Sonmezer MC; Dizman GT; Erul E; Sahin TK; Saricaoglu T; Alp A; Tanriover MD; Uzun O; Unal S; Akova M (Vaccines, 2022)