"... fewer than 1% of vaccine adverse events are reported." - Harvard Pilgrim Health Care

Why Did the CDC Silence the Million Dollar Harvard Project Charged With Upgrading Our Vaccine Safety Surveillance System? - Truth Snitch (archived copy)

There are major problems with the vaccine adverse event reporting system (known as VAERS) which the CDC considers the “front line” of vaccine safety. VAERS was created in 1990 by the CDC and FDA as a means to collect and analyze adverse effects that are associated with vaccines. Unfortunately, the failings of VAERS are “kept from the consciousness” not only of the public, but also from the doctors, pediatricians, and nurses that the public rely on to provide reliable information as to the safety of vaccines. I say “kept from the consciousness” rather than “kept secret” because while these failings are publicly disclosed for all the world to see, they are for all intents and purposes BURIED in documents seldom searched out by the average member of the medical community, much less by the average individual. You could say that the information has been very effectively hidden in plain sight.

By far, the most dire failure of the VAERS system is the vast underreporting of vaccine adverse effects which leads to a dangerous false security in vaccine safety and an erroneous assumption that the benefits of vaccination far outweigh the risks.

12bytes: One of the reports referenced in this article is titled Electronic Support for Public Health–Vaccine Adverse Event Reporting System (ESP:VAERS). Following is a key finding:

Preliminary data were collected from June 2006 through October 2009 on 715,000 patients, and 1.4 million doses (of 45 different vaccines) were given to 376,452 individuals. Of these doses, 35,570 possible reactions (2.6 percent of vaccinations) were identified. This is an average of 890 possible events, an average of 1.3 events per clinician, per month. These data were presented at the 2009 AMIA conference.

In addition, ESP:VAERS investigators participated on a panel to explore the perspective of clinicians, electronic health record (EHR) vendors, the pharmaceutical industry, and the FDA towards systems that use proactive, automated adverse event reporting.

Adverse events from drugs and vaccines are common, but underreported. Although 25% of ambulatory patients experience an adverse drug event, less than 0.3% of all adverse drug events and 1-13% of serious events are reported to the Food and Drug Administration (FDA). Likewise, fewer than 1% of vaccine adverse events are reported. Low reporting rates preclude or slow the identification of “problem” drugs and vaccines that endanger public health. New surveillance methods for drug and vaccine adverse effects are needed. Barriers to reporting include a lack of clinician awareness, uncertainty about when and what to report, as well as the burdens of reporting: reporting is not part of clinicians’ usual workflow, takes time, and is duplicative. Proactive, spontaneous, automated adverse event reporting imbedded within EHRs and other information systems has the potential to speed the identification of problems with new drugs and more careful quantification of the risks of older drugs.

Unfortunately, there was never an opportunity to perform system performance assessments because the necessary CDC contacts were no longer available and the CDC consultants responsible for receiving data were no longer responsive to our multiple requests to proceed with testing and evaluation.

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