US Military Changes Number of Postvaccination Myocarditis Cases

Military officials have lowered the number of myocarditis and pericarditis cases they say they’ve recorded among members after COVID-19 vaccination.
US Military Changes Number of Postvaccination Myocarditis Cases
A soldier watches another soldier receive his COVID-19 vaccination from Army Preventative Medical Services in Fort Knox, Ky., on Sept. 9, 2021. Jon Cherry/Getty Images
Zachary Stieber
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The U.S. Department of Defense has changed the number of post-vaccination heart inflammation cases it identified, the latest in a series of moves it has made to minimize side effects from the COVID-19 vaccines.

Ashish Vazirani, the acting under secretary of defense for personnel and readiness, said in a newly disclosed document that just 80 to 90 cases of myocarditis and/or pericarditis were identified following COVID-19 vaccination in members.

But in a report released in the fall, the military said that there had been 120 cases of myocarditis and/or pericarditis within 21 days of vaccination, as well as additional cases beyond 21 days after vaccination.

The Pentagon did not respond to a request for comment.

The lowered number is the latest move in a pattern of the military downplaying side effects from the vaccines, which were mandated for members in 2021, even though data at the time showed the protection from them was waning.

The mandate was kept in place for all members, even those who recovered from COVID-19, despite studies emerging showing that the natural immunity those members enjoyed was superior to vaccination. The mandate was rescinded this year under a law passed by Congress and signed by President Joe Biden, who supported and imposed vaccine mandates.
Myocarditis, or heart inflammation, and pericarditis, a related condition, were identified as adverse events following COVID-19 vaccination shortly after the vaccines were rolled out. They have since been established as side effects of the shots. There was a spike of myocarditis in the military in 2021, the first full year of the rollout, the military confirmed over the summer.
Mr. Vazirani said in the newly disclosed document, a letter to Sen. Ron Johnson (R-Wis.) dated Oct. 11 and just made public, that, “It is difficult to report precise numbers of adverse events following immunization since establishing a causal relationship between vaccination and a clinical diagnosis can be challenging.” Then, he claimed that no more than 90 cases of myocarditis and/or pericarditis had been identified among members.
In a report sent to Rep. Mike Rogers (R-Ala.) about two weeks prior, the military said there were 326 cases of myocarditis and 351 cases of pericarditis in members, as well as 353 cases of acute myocardial infarction, or heart attacks. Those numbers came from the Defense Medical Surveillance System and data from the Theater Medical Data Store, two databases for healthcare records for members.

When stratifying by prior vaccination and COVID-19 infection, there were 120 cases of myocarditis and/or pericarditis within 21 days of COVID-19 vaccination, and an additional 365 in vaccinated members outside of the 21-day window.

Several hundred heart attacks were also recorded in members after COVID-19 vaccination.

The discrepancy in the numbers has not been explained.

Mr. Johnson disclosed the letter as he seeks answers to questions from the military on jumps in certain diagnoses during the pandemic.

Whistleblowers previously revealed that myocarditis cases in the military had soared in 2021, according to the Defense Medical Epidemiology Database, another military database. But the numbers were changed when the whistleblowers went back to the data, prompting them to take their concerns to Mr. Johnson.

Military officials admitted the numbers were changed and blamed a corruption introduced during a “database maintenance process.”

The numbers were changed again in 2023, another whistleblower revealed. The Pentagon has confirmed the whistleblower was accurate, with 275 cases recorded among members in 2021.
Gilbert Cisneros Jr., then-undersecretary of defense for personnel and readiness, told Mr. Johnson in July that members were more likely to experience myocarditis after contracting COVID-19 than after taking a vaccine, although no numbers were given for the members who became infected despite vaccination.

“It is unclear whether or how it accounted for service members who had a prior COVID-19 infection and received a COVID-19 vaccination,” Mr. Johnson said at the time.

Mr. Vazirani, in the follow-up missive, said that the military included members in the prior vaccination group who had a prior infection and members in the prior infection group who had a prior vaccination. He did not provide a breakdown of members with vaccination without prior infection or other subcategories.

In the report shared in September, the military said the incidence of myocarditis and pericarditis was higher in members within 45 days of infection compared to members without infection, while the incidence was also higher among members who received a vaccine dose within 21 days of myocarditis or pericarditis was higher than those who did not receive a vaccine. The results, though, showed that members were at higher risk following infection, though in absolute numbers, more members were recorded as suffering inflammation after vaccination than after infection.

The infected also had a higher risk of heart attack, while the vaccinated did not.

“Recent receipt of COVID-19 vaccine was shown to carry increased risk for development of both myocarditis and pericarditis,” the report stated. It said that following members with myocarditis after vaccination or infection would help in “mitigating potential risk factors associated with increased myocarditis risk for service members.”

Few long-term studies have followed people with postvaccination myocarditis, but those that have uncovered worrying signs.

The U.S. Centers for Disease Control and Prevention (CDC), for instance, reported that of youth who experienced myocarditis after COVID-19 vaccination, about half had abnormal findings on follow-up imaging carried out months after the initial diagnosis. Some patients told The Epoch Times they still haven’t recovered—years later.
Both the CDC and the U.S. military initially hid the post-vaccination cases from the public as they promoted vaccination in early 2021.
Zachary Stieber
Zachary Stieber
Senior Reporter
Zachary Stieber is a senior reporter for The Epoch Times based in Maryland. He covers U.S. and world news. Contact Zachary at [email protected]
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