Dr Saira Rehman, Dr Farah Qamar Naz, Dr Ibtisam Qazi. KNOWLEDGE AND ATTITUDE ABOUT COVID-19 VACCINES AND THEIR BOOSTERS AMONG HEALTHCARE WORKERS (HCWS) AT SECONDARY AND TERTIARY CARE HOSPITALS IN KARACHI, PAKISTAN. IJHR [Internet]. 2026 Mar. 27 [cited 2026 Aug. 19];4(3):1-10. Available from: https://insightsjhr.com/index.php/home/article/view/1733