Final answer:
The primary objective of The Vaccine Adverse Event Reporting System (VAERS) is to monitor known adverse events related to vaccines.
Step-by-step explanation:
The primary objective of The Vaccine Adverse Event Reporting System (VAERS) is to monitor known adverse events related to vaccines. VAERS is a national system in the United States that allows healthcare professionals and the public to report any adverse events that occur after vaccination. This helps to track and investigate potential safety concerns associated with vaccines. VAERS plays a crucial role in ensuring the ongoing safety of vaccines.