Elon Musk felt like he 'was dying' after 2nd COVID booster shot, cousin in 'peak health' suffered myocarditis
CDC says cases of myocarditis are 'rare risk' to those who receive mRNA COVID-19 vaccine
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Elon Musk took to Twitter late Friday evening to share his personal experience with the second COVID booster shot, explaining he ran into "major side effects."
In a series of tweets, the Twitter CEO said he felt like he "was dying" and that a cousin of his in "peak health" suffered myocarditis, an inflammation of the heart which is listed as a possible side effect of some coronavirus vaccines.
"I had major side effects from my second booster shot. Felt like I was dying for several days. Hopefully, no permanent damage, but I dunno," Musk said in a tweet.
He added: "And my cousin, who is young & in peak health, had a serious case of myocarditis. Had to go to the hospital."
SpaceX founder Elon Musk speaks during a T-Mobile and SpaceX joint event on August 25, 2022 in Boca Chica Beach, Texas. (Michael Gonzalez/Getty Images / Getty Images)
In a third post, Musk explained it was not his choice to get the second booster but was a requirement to visit a Tesla location in Berlin, Germany.
"Was required to visit Tesla Giga Berlin. Not my choice," he said.
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In yet another post, Musk explained he had no issues with receiving the initial Johnson & Johnson vaccine or the first mRNA booster.
"I had OG C19 before vaccines came out and it was basically a mild cold. Then had J&J vaccine with no bad effects, except my arm hurt briefly," he tweeted.
The Tesla founder added: "First mRNA booster was ok, but the second one crushed me."
Musk's posts were in response to a Rasmussen Reports tweet that reported approximately 12 million people may have experienced "major side effects" after getting the vaccine.
According to the Centers for Disease Control and Prevention (CDC) cases of myocarditis are a "rare risk" for those who receive mRNA COVID-19 vaccines.
"These rare cases of myocarditis or pericarditis have occurred most frequently in adolescent and young adult males, ages 16 years and older, within 7 days after receiving the second dose of an mRNA COVID-19 vaccine (Pfizer-BioNTech and Moderna). There has not been a similar reporting pattern observed after receipt of the Janssen COVID-19 Vaccine (Johnson & Johnson)," the CDC says on its website.
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In this photo illustration the Elon Musk's Twitter page is displayed on a smartphone screen on January 7, 2023. (Matt Cardy/Getty Images / Getty Images)
The website adds: "CDC continues to recommend COVID-19 vaccination for everyone 6 months of age and older. The Advisory Committee on Immunization Practices (ACIP) and CDC have determined that the benefits (such as prevention of COVID-19 cases and its severe outcomes) outweigh the risks of myocarditis and pericarditis after receipt of mRNA COVID-19 vaccines."
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Myocarditis is inflammation of the heart muscle and the CDC said preliminary data shows "most patients" ultimately recovered from their myocarditis.
"Preliminary data from surveys conducted at least 90 days after the myocarditis diagnosis showed most patients were fully recovered from their myocarditis," the CDC said.
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Dr. Anthony Fauci, White House Chief Medical Advisor and Director of the National Institute of Allergy and Infectious Diseases, in the Eisenhower Executive Office Building in Washington, D.C., Dec. 9, 2022. (SAUL LOEB/AFP via Getty Images / Getty Images)
It recommends all cases of myocarditis and pericarditis be reported to the Vaccine Adverse Event Reporting System (VAERS).
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Federal law requires healthcare providers to report such issues to VAERS.
Musk has been repeatedly critical of the COVID pandemic and of Dr. Anthony Fauci, who oversaw the U.S. pandemic response under the Trump and Biden administrations as White House Chief Medical Advisor.