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Comment by Tagbert | Hacker News Reader

My understanding is that the incidence of myocarditis is much higher in a COVID infection than from any of the vaccines.

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Any source available on this?

You can easily find sources with a simple Google search. I searched for "myocarditis risk of covid vs covid vaccine" and the second organic result is from Nature [1] and states:

> Previous research co-authored by Balicer found that in this age group, becoming infected with SARS-CoV-2 made a person 18 times more likely to develop myocarditis — a much more significant risk than is observed following vaccination.

Sources are in the article. You can easily find sources for COVID, please try searching it yourself first.

[1]: https://www.nature.com/articles/d41586-021-02740-y

Might depend partly on age as well:

"Healthy boys may be more likely to be admitted to hospital with a rare side-effect of the Pfizer/BioNTech Covid vaccine that causes inflammation of the heart than with Covid itself, US researchers claim."

https://www.theguardian.com/world/2021/sep/10/boys-more-at-r...

> Healthy boys may be more likely to be admitted to hospital with a rare side-effect of the Pfizer/BioNTech Covid vaccine that causes inflammation of the heart than with Covid itself, US researchers claim.

Anecdata from another thread: https://news.ycombinator.com/item?id=29122896

One of the authors, Tracy Beth Høeg, was clearly against any children vaccination way before authoring this biased and heavily criticized paper.

It's hard to Google for sources on this since you just get people talking about the vaccine. Here's something I found:

> Across all ages, the risk of myocarditis was almost 16 times higher for people with COVID-19 compared to those who aren’t infected. The myocarditis risk is 37 times higher for infected children under 16 years and seven times higher for infected people ages 16-39 compared to their uninfected peers.

https://publications.aap.org/aapnews/news/16388

That particular quote seems to be comparing infected to non-infected, not infected to vaccinated.

Yes, I thought that was clear. That is what I was trying to find.

I see. But I think the question at hand raised by OP is infected vs vaccinated, not infected vs uninfected?

> My understanding is that the incidence of myocarditis is much higher in a COVID infection than from any of the vaccines.

Yes it takes one extra step to answer that question. We have numbers comparing infected to uninfected, and numbers comparing vaccinated to unvaccinated (and presumably uninfected).

But what's the risk profile of Moderna + myocarditis versus Pfizer + breakthrough case (and remember, odds of contracting Covid at all are less than 1) + myocarditis?

Any stats on how many 13-29 year olds vaccinated with Pfizer have gotten myocarditis from a breakthrough case specifically?

Anecdotal: Had covid twice. No heart complaints.

Had two vaccine shots. Both times, 10 days after the shot, my heart hurt like hell. Really painful and scary experience. It lasted a couple days and back to normal.

Another Anecdotal: Had COVID once. Heart pain went back to normal after a week of testing negative. No side effects from both vaccine shots. I’m a young male too so I’m in the risk group for these side effects.

Sucks folks are experiencing them though. Definitely a scary time.

How would you get vaccinated twice and get covid twice? I thought most countries allowed to do one shot only if you recovered from covid once.

My country doesn’t make that distinction. There was a year inbetween infections.

Could you elaborate on the timeline and circumstances of getting Covid twice and getting fully vaccinated? Time line, which vaccines, how did Covid happen?

Don’t think I’m questioning it, I’m just surprised so I want to hear more because I thought even getting Covid twice was fairly rare, after all isn’t that a widely held conception by survivors who don’t want vaccinated.

Pfizer. Covid in April 2020. One of my housemates infected me. Vaccines in summer 2021. Second time covid two months after vaccine. My brother, also Pfizer vaccinated, infected me. First time was probably the original strain and second time delta. The second experience was worse, minor breathing problems. I’m early 30s.

Thanks! Wow that’s very interesting and extremely unlucky, makes me want to be more cautious

Adding more anecdata:

1. Had covid early 2021, felt like a mild cold for a week, couldn't smell my farts for 3 weeks. No heart issues.

2. 8 months later, got the Pfizer double dose, and had 6 weeks of heart pain and palpitations. Finally got in to see the doctor after the pain was basically gone, and the EKG showed an irregular heart beat and I was told to go to the emergency room... Got an echocardiagram the next week which turned out normal, thankfully.

Still waiting on that $1,000+ medical bill to come in the mail for the 20 minute echocardiagram...

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