Research article Open access
Potential Adverse Effects of COVID-19 Vaccines on Iranian Healthcare Workers: Comparison of Four Available Vaccines in Tehran: A Retrospective Cross-sectional Study
Objectives: This study aimed to compare four COVID-19 vaccines for their potential extensive side effects and the relationship between the side effects and age, body mass index (BMI), and history of COVID-19 infection. Methods: This cross-sectional study was conducted from June to August 2021 among 1474 healthcare work …