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Dr. Yong explains side effects of COVID-19 vaccines


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Dr. Yong explains side effects of COVID-19 vaccines

Praphorn Praphornkul

 

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BANGKOK (NNT) - The Head of the Center of Excellence in Clinical Virology at the Faculty of Medicine, Chulalongkorn University, Dr. Yong Poovorawan, has responded to questions about the side effects of COVID-19 vaccines developed by China’s Sinovac.

 

Dr. Yong said that there are people who are afraid of potential side effects caused by the vaccine. According to a study in the United States (US), there were 4.5 reported cases of anaphylaxis, or a severe allergic reaction to medication, per 1 million people receiving COVID-19 inoculations from Pfizer-BioNTech and Moderna in a month.

 

According to autopsy findings and the Morbidity and Mortality Weekly Report (MMWR), published by the US Centers for Disease Control and Prevention (CDC), the no deaths were due to the vaccine.

 

Medical personnel are monitoring for potential side effects among those administered with the messenger ribonucleic acid (mRNA) vaccine. Currently, vector viral vaccines, including AstraZeneca’s, are being administered the most. Studies also reported fewer side effects on specific organs or body systems.

 

Inactivated vaccines, such as Sinovac Sinopharm’s vaccine, use a deactivated version of a pathogen and its antigens to induce an immune response. Such vaccines are used to treat diseases, such as rabies, polio and Hepatitis A, and side effects are less common.

 

People should not be concerned about receiving the Sinovac vaccine or its side effects. The vaccine will arrive in Thailand shortly, to help the country achieve herd immunity against COVID-19.

 

 

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It may have helped if he had talked about the efficacy of the Sinovac vaccine which is very low compared with all other available vaccines. Studies from Brazil showed only just over 50% effective, which is really not very good. Also why discuss side effects in an mRNA vaccine?, Inactivated vaccines are simple not the same.

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What is the efficacy for Sinovac at this point?  China stated one number, then it was used in Brasil and they came with a much lower efficacy number.  So what is expected here in Thailand?

 

Why is Dr. Yong discussing the Sinovac side-affects and this vaccine isn't even approved yet in Thailand?  What are they waiting on to approve this vaccine here in Thailand?

 

Since Thailand will be using various vaccines it would be nice to see each vaccine and its known side-affects and efficacy.

 

 

Edited by HaoleBoy
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11 minutes ago, HaoleBoy said:

What is the efficacy for Sinovac at this point?  China stated one number, then it was used in Brasil and they came with a much lower efficacy number.  So what is expected here in Thailand?

 

Why is Dr. Yong discussing the Sinovac side-affects and this vaccine isn't even approved yet in Thailand?  What are they waiting on to approve this vaccine here in Thailand?

 

Since Thailand will be using various vaccines it would be nice to see each vaccine and its known side-affects and efficacy.

 

 

Sinovac was rubberstamped today, before the arrival, no surprises there. As for the efficacy, god help them.. 😐

 

 

Edited by kotsak
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2 hours ago, webfact said:

Inactivated vaccines, such as Sinovac Sinopharm’s vaccine, use a deactivated version of a pathogen and its antigens to induce an immune response. Such vaccines are used to treat diseases, such as rabies, polio and Hepatitis A, and side effects are less common.

Maybe that's why it is lowest in efficiency at only 50%.

 

But as a gambling nation, many will probably like these odds.

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1 hour ago, overt2016 said:

He is not a government employee so I believe him' even though I didn't understand him.

So just go with your heart.

He's an "expert."  You need to believe whatever he says and follow all of his recommendations. 

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2 hours ago, webfact said:

Inactivated vaccines, such as Sinovac Sinopharm’s vaccine, use a deactivated version of a pathogen and its antigens to induce an immune response. Such vaccines are used to treat diseases, such as rabies, polio and Hepatitis A, and side effects are less common.

And yet according to another Thai news source, people above 59 years old shouldn't get Sinovac. No such concern when my 90 year old mother received Pfizer...

 

"Although PM Prayut volunteered to be the first to draw up his sleeve and get inoculated with a vaccine developed by Chinese firm Sinovac – the shipment of which is expected to arrive tomorrow – the jabs are recommended for those under the age of 59, said Supaporn Phumiamorn, Director of the Institute of Biological Products."

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Immediate but rare side effects, such as expats blathering about how they will never get the shot because the RNA intertwines with their DNA, bla bla bla....

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15 hours ago, Seismic said:

It may have helped if he had talked about the efficacy of the Sinovac vaccine which is very low compared with all other available vaccines. Studies from Brazil showed only just over 50% effective, which is really not very good. Also why discuss side effects in an mRNA vaccine?, Inactivated vaccines are simple not the same.

It has been surmised and limited observations shown that if one having been vaccinated with any of the covid-19 vaccines is subsequently exposed to one of the new strains like the African strain, the efficacy is lowered. So you really want to begin with as highest as possible efficacy of vaccine. mRNA-type  vaccines seem less affected.

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17 hours ago, webfact said:

People should not be concerned about receiving the Sinovac vaccine or its side effects. The vaccine will arrive in Thailand shortly, to help the country achieve herd immunity against COVID-19.

Treated like cattle.... 

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What I have not heard anyone say is this.  The vaccines made from deactivated virus take longer to produce.  A new one generally takes a couple of years to go through the process.  First you have to cultivate a large quantity of the virus and then weaken/deactivate it.  That is the advantage of mRNA based ones.  You don't need the virus to produce them.  Yet somehow China came out with a vaccine based on the old technology before the new faster mRNA based ones.  So the question that arises is if they were working on this vaccine before it was in the wild.

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17 hours ago, connda said:

He's an "expert."  You need to believe whatever he says and follow all of his recommendations. 

But he left out the part of growing another head out!!!!

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On 2/23/2021 at 4:10 PM, webfact said:

One of few English speaking Thai doctors translates English language press releases from outside Thailand on the side effects of COVID-19 vaccines

Praphorn Praphornkul

 

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Fixed the title 

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A year ago, China was hit by a new virus. The farang countries laughed at China, calling it "The Sick Man of Asia". Now? Over a million farangs have died from the disease.

A few months ago, some Chinese cities were facing power rationing because breaching consumption quota due to high factory orders. Some farang countries laughed at China for not importing coal from Australia. Now? Texas had an unexpected winter storm, with electricity and water supply problems and people dying.

Now farangs want to laugh at Sinovac's "low efficacy" rate. But with tens of thousands of new variants appearing, scientists are thinking the inactivated vaccine approach used by Sinovac and Sinopharm may be a better bet against variants. So let's see if fully vaccinated farang countries, vaccinated with their "high efficacy" vaccines, can withstand multiple waves of new variants or not.

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I am going to take a wild stab in the dark here.

If all tourists coming here need to be vaccinated, I can see this requirement being extended to Retirees and Married Folk, in order to get their Permit to Stay.

It will be any vaccination, as long as you have the documented proof and it was administered in a registered hospital or by recognised vaccination facility.

Only my feeling on this matter. I could be 50% right or 50% wrong.

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