VAERS is also important for monitoring the rotavirus vaccines - it was one of the data sources that pulled the RotaShield vaccine off the market due to increased risk of intussusception in 1999.
https://childrenshealthdefense.org/defender/cdc-vaers-covid-...
"Since CDC officials stated publicly that “COVID-19 vaccine safety monitoring is the most robust in U.S. history,” I had assumed that at the very least, CDC officials were monitoring VAERS using the methods they described in a briefing document posted on the CDC website in January 2021 (and updated in February 2022, with minor changes) [PRRs]. I was wrong."
This had to be forced out of them with a FOIA request but their response to the request (for documents related to VAERS analysis of COVID vaccines) says:
"no PRRs were conducted by the CDC. Furthermore data mining is outside the the agencies purview, staff suggest you enquire with the FDA"
The CDC run VAERS but have never actually done any data mining on it, despite telling the public that the monitoring of COVID vaccines was the most robust in history. Which means that statement they gave is either a lie, or it's true and VAERS has actually never been used to detect safety signals.
There was a FOIA request a few years ago (can't remember the name of the organization, search engines have buried these type of results) that the agency in charge of post-license safety review of vaccines has never conducted a single review since the law passed in the 80s or early 90s.