“In a stunning development, the Centers for Disease Control and Prevention (CDC) last week admitted — despite assurances to the contrary — the agency never analyzed the Vaccine Adverse Event Reporting System (VAERS) for safety signals for COVID-19 vaccines.
The admission was revealed in response to a Freedom of Information Act (FOIA) request submitted by Children’s Health Defense (CHD)…
CDC officials stated publicly that ‘COVID-19 vaccine safety monitoring is the most robust in U.S. history,’ …
The lynchpin of [the CDC’s] safety monitoring was to mine VAERS data for safety signals by calculating what are known as proportional reporting ratios (PRRs).
This is a method of comparing the proportion of different types of adverse events reported for a new vaccine to the proportion of those events reported for an older, established vaccine.
If the new vaccine shows a significantly higher reporting rate of a particular adverse event relative to the old one, it counts as a safety signal that should then trigger a more thorough investigation.
The briefing document states, ‘CDC will perform PRR data mining on a weekly basis or as needed.’ …
Note: The briefing document also states “FDA will perform data mining at least biweekly (with stratified data mining monthly) using empirical Bayesian data mining to identify AEs reported more frequently than expected following vaccination with COVID-19 vaccines.”
And yet, in the agency’s response to the FOIA request, it wrote that ‘no PRRs were conducted by CDC. Furthermore, data mining is outside of the agency’s purview.’”