Can Inactivated COVID-19 Vaccine Become Virulent?

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Can an inactivated vaccine become virulent and infect you with COVID-19 instead?

Here is what you need to know!


Claim : Inactivated COVID-19 Vaccine Can Become Virulent!

Antivaxxers are now pushing the claim that inactivated vaccines from Sinovac and Sinopharm can become virulent, and infect you with COVID-19 instead.

In fact, they are claiming that many people are getting COVID-19 because their inactivated virus vaccine became “alive” and infected them instead!

Some even claim that the Sinovac and Sinopharm inactivated virus vaccines are merely heat-treated, and can easily become alive.

Can Inactivated COVID-19 Vaccine Become Virulent?


Truth : Inactivated COVID-19 Vaccine Cannot Become Virulent!

The truth is an inactivated virus vaccine cannot become alive again (like a zombie) and attack you. Here are the reasons why…

Fact #1 : Inactivated Virus Vaccine Cannot Become Virulent

An inactivated virus vaccine is made from viruses that have been killed.

They cannot become alive again and infect you, because they have been… KILLED.

People who claim otherwise have possibly confused the inactivated virus vaccine with the attenuated live virus vaccine.

The attenuated live virus vaccine uses weakened viruses that are still alive.

Fact #2 : Sinovac + Sinopharm Vaccines Are Inactivated By beta-Propiolactone

The two main inactivated COVID-19 vaccines are made by Sinovac and Sinopharm, and they are both inactivated by beta-Propiolactone (βPropiolactone).

Anyone who claims that the Sinovac or Sinopharm vaccines are inactivated by heat are mistaken or lying.

Inactivated COVID-19 Vaccine method

Fact #3 : beta-Propiolactone Destroys RNA / DNA

beta-Propiolactone reacts with the virus RNA / DNA, as well as its proteins, modifying them and essentially destroying them.

Think of it as scrambling their brains, and stabbing the viruses in their bodies.

SARS-CoV-2 viruses that have been exposed to beta-Propiolactone are “killed” and cannot possibly infect anyone.

The inactivated COVID-19 vaccine uses these dead viruses, with an adjuvant to give it “more kick”, to train your immune system to fight against the real SARS-CoV-2 virus.

And again, these dead viruses cannot become alive again. Whoever says otherwise is lying.

Now that you understand that inactivated COVID-19 vaccines cannot possibly become virulent, please STOP sharing such fake news.

SHARE this fact check with your family and friends instead!


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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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