Rangelova, V.; Ivanova, N.; Kevorkyan, A.; Sariyan, S.; Hristamyan, M. ADULT VACCINATION ATTITUDES AND UPTAKES IN BULGARIA: A Cross-Sectional Study of Influenza, COVID-19, and Pneumococcal Vaccines. Probl Infect Parasit Dis 2026, 54 (2), 5-12. https://doi.org/10.58395/aj75k003.