SAFECOVAC: Vaccine Myocarditis Risk Less Than 1 In Million!

The new SAFECOVAC study showed that there is less than one in a million risk of getting myocarditis from any of COVID-19 vaccine used in Malaysia!

Take a look at the results for yourself!


SAFECOVAC : Vaccine Myocarditis Risk Study In Malaysia

SAFECOVAC is a vaccine safety study (NMRR-21-822-59745) conducted by the Institute for Clinical Research (ICR) under the National Institutes of Health, Malaysia.

The study reviewed data from 433,674 hospital admissions from 216 public and private hospitals between February and September 2021, and found that :

  • a total of 25 myocarditis events were observed within 21 days of COVID-19 vaccination
  • 14 myocarditis events were related to the Pfizer COMIRNARTY vaccine
  • 9 myocarditis events were related to the Sinovac CoronaVac vaccine
  • 2 myocarditis events were related to the AstraZeneca vaccine

Let me break down the data they just shared, and tell you what they really mean!


Vaccine Myocarditis Risk Is Less Than 1 In Million!

On 16 January 2022, the Malaysia Ministry of Health shared some preliminary data from the SAFECOVAC study, which I summarised in this table :

Age Groups Myocarditis Events
(Per Million Doses)
Pfizer AstraZeneca Sinovac
Overall 0.9 0.7 0.5
Over 30 Years 1.0 NA 0.6
30 Years + Younger 0.87 NA 0.49

In other words, the risk of getting vaccine-induced myocarditis is only :

  • Pfizer : 1 in every 1.11 million doses
  • AstraZeneca : 1 in every 1.43 million doses
  • Sinovac : 1 in every 2 million doses

As you can tell, that is not only a very low risk. But what you may not know is how it compares to the risk of getting myocarditis from a COVID-19 infections.

So let’s take the SAFECOVAC data, and extrapolate the risk of myocarditis from people who were vaccinated three times (including booster dose) versus a COVID-19 infection.

Look at the results! If you are worried about myocarditis, you should definitely want to AVOID getting infected with COVID-19.

Per Million
COVID-19 450 +300x +214x +167x
3x Pfizer 2.7 +1.8x +1.3x Baseline
3x AstraZeneca 2.1 +1.4x Baseline -0.2x
3x Sinovac 1.5 Baseline -0.3x -0.4x

No matter how you slice and dice the results, it is very clear that the risk of myocarditis is GREATEST with a single COVID-19 infection, than it is with THREE doses of the Pfizer, AstraZeneca or Sinovac vaccines.

So please protect yourself against myocarditis, hospitalisation and death from COVID-19. Get vaccinated!


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Dr. Adrian Wong has been writing about tech and science since 1997, even publishing a book with Prentice Hall called Breaking Through The BIOS Barrier (ISBN 978-0131455368) while in medical school.

He continues to devote countless hours every day writing about tech, medicine and science, in his pursuit of facts in a post-truth world.


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