AstraZeneca Covid-19 vaccine study is put on hold

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A large, Phase 3 study testing a Covid-19 vaccine being developed by AstraZeneca and the University of Oxford at dozens of sites across the U.S. has been put on hold due to a suspected serious adverse reaction in a participant in the United Kingdom.

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I was just discussing this on another thread.

They have not released the reason for the adverse reaction yet or whether the participant had the placebo vaccine or the Covid vaccine.
If there was a serious immune response to this vaccine they will probably have to throw in the towel on this development and start again.

More to come.
 
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9 vaccine companies have come together under a pact to state they wont release their vaccines until they know they are 100% safe. This has been in response to policitical pressure.
 
Just my guess but it should be in initial tests. I wouldn’t expect 100% for 7 billion people though and each country would have decide on what it can live with.
 
Not, really. Even in early clinical trials. I’d wait until the Data Safety Monitoring Board reviews and comments.
 
Astrazeneca is one of the drugs based on original fetal cells so it would be good if another drug could trump it. The Vatican approves use of these fetal cell vaccines only in the absence of any other alternative.
 
These vaccine companies I refer to are not going to be pushed into release by political pressure. Good on them.
 
umamibella said:
9 vaccine companies have come together under a pact to state they wont release their vaccines until they know they are 100% safe. This has been in response to policitical pressure.
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Is the standard for a vaccine that it be 100% safe? If so, my son had an adverse reaction to the pertussis vaccine that caused him to be in the hospital ICU for several days when he was a baby. Should that vaccine be banned?
 
You will have to ask them what they mean by 100% safe. I am sorry for your son. The Oxford vaccine trial was halted because 1 participant had an adverse reaction. That vaccine , as all Covid vaccines, is in development. The vaccine your baby had was already past trial phase and approved for human use.
 
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This is a stab in the dark but from what I have read about description of the problem, it sounds like this person may have Guillain-Barré Syndrome. Articles I’ve read mentioned tingling in lower limbs and brief reference to the spine. GBS is the ascending demyelination of the spinal cord causing a temporary (usually) paralysis from feet upwards. Causes can be from getting the common cold, a stomach bug or by getting a flu shot. I’ve seen two patients who had it and both recovered. It was assumed that the cause was from getting a flu shot. It is an auto-immune response by the body. Although serious thankfully it is not common. When you get your flu shot this year and get handed the VIS paper read it before you throw it out. It is mentioned as a potential risk from the vaccine.
 
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