Perception and Acceptance of Using Different Generic Types of COVID-19 Vaccine, the "Mix-and-Match" Strategy, in Saudi Arabia: Cross-Sectional Web-Based Survey.

Soon after the COVID-19 pandemic was declared, a pharmaceutical company expressed rapid interest in developing a safe and effective vaccine candidate to contain the spread of SARS-CoV-2 infections. The FDA approved the Pfizer-BioNTech, AstraZeneca, Moderna, and Janssen vaccines. Here, we investigated the attitude and acceptance of using different generic types of COVID-19 vaccines in Saudi Arabia.