CDC withholds data on heart inflammation following COVID-19 vaccination
By Zoey Sky // Sep 29, 2023

Despite the countless reports of adverse side effects and deaths linked to Wuhan coronavirus (COVID-19) vaccines, the Centers for Disease Control and Prevention (CDC) has declined to release updated information on reported cases of myocarditis and pericarditis following COVID-19 vaccination.

The agency has previously revealed that coronavirus vaccines can cause the inflammatory conditions.

CDC didn't mention VAERS data at a recent meeting

In the past, the CDC has regularly reported the number of post-vaccination myocarditis (heart muscle inflammation) and pericarditis (heart lining inflammation) cases reported to the Vaccine Adverse Event Reporting System (VAERS), as it consults with its advisers on updates to the vaccines. The CDC helps manage VAERS.

However, at a meeting on Sept. 12, the CDC didn't share details about recent VAERS data. When asked for the information, a CDC spokesman referenced a CDC study that covers data only through Oct. 23, 2022.

The study identified at least nine reports of myocarditis or pericarditis following vaccination with one of the bivalent COVID-19 vaccines. Seven of the nine reports were verified by medical review. (Related: COVID-19 vaccines can cause SEVERE MYOCARDITIS, warns Chinese cardiologist.)

When pushed for more current data, the spokesman said the CDC has it but isn't making it public, adding that the updated safety data will be published "when appropriate."

Barbara Loe Fisher, co-founder and president of the National Vaccine Information Center, said even though the agency has already confirmed that heart inflammation is a complication of mRNA COVID-19 shots, the only published data released by CDC officials about that complication is the seven-week study. She also questioned the lack of more specific myocarditis and pericarditis data linked to bivalent COVID-19 injections for the past 10 months.

The mRNA shots are manufactured by Pfizer and Moderna. Novavax's updated shot, which uses different technology, still hasn't been authorized by the Food and Drug Administration (FDA).

Kim Witczak, a drug safety advocate who runs the nonprofit Woodymatters, lamented that she is tired of both the CDC and FDA deciding what information is revealed to the public because this is the information that parents require, particularly since there are some schools and activities still mandating vaccines.

"This is evil playing out right before our eyes," added Witczak. She also criticized the CDC’s response of "when appropriate, the updated safety data will be published," which is unacceptable.

Witczak added that this is why there is "vaccine hesitancy and lack of trust in public health officials."

It remains unclear why the CDC didn't present more current data

At the meeting, CDC officials and their partners presented data on the bivalent shots to their advisory panel, the Advisory Committee on Immunization Practices. The advisers were debating which groups they should recommend to get one of the new COVID-19 vaccines, which were cleared by regulators despite the lack of sound clinical trial data.

Dr. Nicola Klein, a Kaiser Permanente doctor who works with the CDC, headlined a presentation on COVID-19 vaccine safety. She presented data from the Vaccine Safety Datalink (VSD), a monitoring system that covers a much smaller population than VAERS.

Klein explained that two cases of myocarditis after bivalent vaccination were detected in the VSD through March 11.

She added that the cases didn't trigger a safety signal among adults, but it remains to be seen why more current data weren't presented.

The presented data were widely cited by doctors quoted in news outlets, including Dr. Andrew Pavia. At a briefing, Pavia claimed that there didn't seem to be a "detectable risk" of myocarditis caused by the bivalent shots.

"What I was conveying is that in the era of the bivalent vaccine, the number of cases has fallen to where it no longer is giving a signal that is detectable," said Pavia, chief of the pediatric infectious diseases division at the University of Utah School of Medicine.

When discussing how the missing VAERS data affect the strength of that claim, he said that the strongest data comes from controlled studies like the VSD where there are built-in controls.

Research showed that through Sept. 8, 98 cases of myocarditis, pericarditis, or myopericarditis (inflammation of both the heart's lining and muscle) were reported to VAERS following bivalent vaccination.

While anybody can submit reports to VAERS, research has revealed that most reports are entered by healthcare providers. Those who submit false information can face prosecution.

Five reports were for people aged six to 17 years, and another 13 were for people aged 18 to 29.

When presenting to the panel, CDC official Megan Wallace mentioned that there is limited data to inform the myocarditis risk following an updated mRNA dose. She didn't mention the cases reported to VAERS but claimed that the benefits of the vaccines outweigh the risks, even for young, healthy males.

She also acknowledged that the VSD did have a "relatively lower sample size" of recipients.

Dr. Pablo Sanchez, the only member who opposed a widespread recommendation, cited the risk of myocarditis. Sanchez urged health experts to be upfront with their patients and to inform them about "what is known and unknown, rather than make a complete recommendation," particularly for some groups where there is limited data.

The labels for the new vaccines say they can cause myocarditis. According to the labels, post-marketing data with authorized or approved mRNA COVID-19 vaccines "demonstrate increased risks of myocarditis and pericarditis, particularly within the first week following vaccination."

While some have recovered, other people have not. The labels also say that information is "not yet available about potential long-term sequelae."

Visit to learn more about the adverse effects of COVID-19 vaccines.

Watch the New American magazine's Ben Armstrong discussing the CDC's cover-up of myocarditis linked to COVID-19 vaccines below.

This video is from The New American channel on

More related stories:

DATA ANALYSIS: Increase in miscarriages and stillbirths directly linked to COVID-19 vaccines.

Japanese scientist warns: COVID vaccine harms are now a global problem.

Did LeBron James' son Bronny suffer a cardiac arrest because of the COVID-19 vaccine?

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