Question on Covid vaccine?

4,529 Views | 34 Replies | Last: 5 yr ago by Rachel 98
joerobert_pete06
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I read an article saying that vaccines are currently being developed and that there will most likely be "multiple winners". The article emphasized that this is a good thing for global production.

My question is: if multiple vaccines are being used, won't this make covid19 more susceptible to mutate and essentially compounding the effect over time?
fightingfarmer09
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I would not worry about multiple types of vaccines at this point.

We have never had a successful coronavirus vaccine. The idea that we will have multiple successful vaccines created with never before seen techniques, all while working in an insane time window is borderline absurd.

Even the SARS vaccine that was finally created was never deployed and we do not have a realistic picture of it would have found long term success.

We will likely end up with something old like the TB vaccine that boosts the immune system that provides the body a fighting chance with the virus. Then after some familiarity with the virus money will dry up and no vaccine will be available prior to 36 months or more.

I think the odds on favorite is that an effective vaccine will not be viable in the foreseeable future if at all.
KlinkerAg11
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I believe this as well.

I think it's probably in our best interest to find an immune boosting vaccine and a good therapeutic.

You might be able to have this hammered out by this summer and have it circulating this fall.
amercer
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We have never thrown the kind of resources at a vaccine campaign as we are right now. Generally it takes so long to get a vaccine because every step along the way is a financial go/no go point. That's all out the window now. Scaling up manufacturing for every candidate before efficacy is seen means tens of billions of dollars are being set on fire. It also means that we will probably have a vaccine in record time.

As for the OPs question, the manufacturing and formulations will be different between all the vaccines, but the actual viral protein that gets presented to your immune system will probably be very similar in all of them. Also this virus has a fairly low mutation rate, so escape seems less likely than with something like HIV.
fightingfarmer09
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amercer said:

We have never thrown the kind of resources at a vaccine campaign as we are right now. Generally it takes so long to get a vaccine because every step along the way is a financial go/no go point. That's all out the window now. Scaling up manufacturing for every candidate before efficacy is seen means tens of billions of dollars are being set on fire. It also means that we will probably have a vaccine in record time.

As for the OPs question, the manufacturing and formulations will be different between all the vaccines, but the actual viral protein that gets presented to your immune system will probably be very similar in all of them. Also this virus has a fairly low mutation rate, so escape seems less likely than with something like HIV.


Time will tell.

But if there is not another wave on an equal or greater scale to 2020, that funding will dry up rapidly and the biggest hurdle, distribution, will not be possible.

Everyone is charitable when the spotlight shows their actions. If the spotlight dims, so will the enthusiasm. That is true for all R&D projects.
amercer
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I agree that in general the biggest problem with infectious disease research is that unless there is a pandemic nobody gives a ****. That's the real reason we don't have a SARS vaccine.

This time is a little different however. The public health campaign has been so effective that many people, as well as states and whole countries have said they aren't going back to normal until a vaccine is available. That will keep the money flowing for this.

Hell, the losses from canceling the NFL season would pay for ten vaccines by itself...
WestGalvestonAggie
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AggieJ2002
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I've heard that no coronavirus has ever had a vaccine ... However, has anyone really put a ton of money into even trying to find one? I know they did for SARS but stopped pursuing it when SARS went away and there was no need for it (i.e. no customers)

Just curious because I see people use that as an argument that we won't have a successful vaccine or even one that helps. I have no idea if they have ever tried hard to create a coronavirus vaccine or not.
fightingfarmer09
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If we do not have a huge second wave on the scale of 2x flu deaths, do you think the American public will really care about Covid in 24 months? We will be going through a presidential election cycle, and SNL and late night tv will completely placate and shift onto something new and shiny.

The stats coming in on this thing worldwide are looking less and less terrifying and 1-2 semi successful treatments will end the panic that still remains.

As mentioned there is strong evidence old, extremely cheap vaccines may be providing useful responses. Much of the underdeveloped world is using these vaccines and it would make more logistical sense to adapt to their tactics than bringing something new online to selling them on the idea.

The money to develop a vaccine is minuscule compared to gaining the cooperation of the global community to distribute a vaccine among a significant portion of the population.

Not even counting the fact it could simply be a flu shot that varies year to year and only 45% or so of Americans bother to get it.
AggieJ2002
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That has nothing to do with my question. My point is people are saying we might not get a good vaccine because no vaccine has ever been made for a coronavirus.

My question is simply, has anyone really ever tried with full resources to make a coronavirus vaccine.

I'm not making any sort of controversial statement, simply asking a question if it has really been efforted before. I truly don't know whether it has or not.

I hate that we can't ask questions without people thinking you have ulterior motives with the question.
fightingfarmer09
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Yes, we have tried. No, we haven't been successful. Yes, tons of money has been dumped into it. No, the demand has not kept the population interested in large scale distribution even if one was created.

Once a treatment is developed it largely removes all the incentive to produce and distribute a vaccine on an annual basis. So even if the whole world is dedicated to a vaccine a treatment would be easier to implement and distribute. Which is why the common cold (largely coronavirus) have never justified a vaccine.
cone
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Quote:

If we do not have a huge second wave on the scale of 2x flu deaths, do you think the American public will really care about Covid in 24 months?
if it's still ****ing with schools being fully online, then yes
Marcus Aurelius
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Like HIV, there is unprecedented research/resources being thrown at this. I remember back in the HIV scare thinking there will never be a "cure" for it. Look where we are now with HIV. I pray the same will happen with this virus. Will it be a smallpox type eradication? No. I suspect the vaccine(s) will attenuate the infection like flu. Drug therapies will advance. Coronavirus research in the past has not been near close to the volume being performed now. Huge difference.
Squadron7
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WestGalvestonAggie said:



I knew that was Geddy Lee on the left!
Squadron7
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We may get one...we may not.

But right now it is a world wide Space Race x Manhattan Project kind of thing.
MemorialTXAg
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Marcus Aurelius said:

Like HIV, there is unprecedented research/resources being thrown at this. I remember back in the HIV scare thinking there will never be a "cure" for it. Look where we are now with HIV. I pray the same will happen with this virus. Will it be a smallpox type eradication? No. I suspect the vaccine(s) will attenuate the infection like flu. Drug therapies will advance. Coronavirus research in the past has not been near close to the volume being performed now. Huge difference.


Look where we are now with HIV as in 40 years later and still no vaccine?
Marcus Aurelius
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Yes. But normal lifespan with protease inhibitors. Which are promising with COVID-19.. My point.
I already have a dog
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There are vaccines for animal coronaviruses. If we can develop coronavirus vaccines to protect swine and dogs I don't think it is unreasonable to hope that a coronavirus vaccine can be created for humans.
Marcus Aurelius
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Absolutely. As far as the research response.
f burg ag
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Marcus Aurelius said:

Absolutely. As far as the research response.
Sorry if I have missed it, but where do you practice medicine?
Marcus Aurelius
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f burg ag said:

Marcus Aurelius said:

Absolutely. As far as the research response.
Sorry if I have missed it, but where do you practice medicine?
Bham, AL metro. But 89' Aggie, UTSW Parkland med school residency then Vandy fellowship for pulm CC sleep.
74Ag1
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https://www.google.com/amp/s/www.nytimes.com/2020/05/15/us/politics/coronavirus-vaccine-timeline.amp.html
f burg ag
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[We don't want the disrespectful comments. Take a break. - Staff]
Marcus Aurelius
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"Why are you perpetuating fear in the masses?"

LOL never posted this rhetoric. Did I say anything to suggest that? No. In fact if you look at my recent posts I'm in favor of opening up.
Marcus Aurelius
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Mainly I've posting anecdotes about this novel virus. But if it's gonna be like this I'm happy to exit Texags. 3rd time I've considered it.
Marcus Aurelius
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Not to throw acid on this discussion. But I got 4 new COVID-19 nursing home patients sick as hell yesterday. Frustrating. We we're in decline mode till this.
AggieOO
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This is why we can't have nice things.
FlyRod
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Marcus thank you for your insights and contributions. Please keep doing what you, and people on the forefront of fighting this do: provide valuable information. All good thoughts to you and everyone else in healthcare fighting this.
SunrayAg
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Marcus Aurelius said:

Mainly I've posting anecdotes about this novel virus. But if it's gonna be like this I'm happy to exit Texags. 3rd time I've considered it.


Please don't let the politics forum internet tough guys drive you away. The overwhelming majority of us appreciate the expertise and experience you bring to these discussions!
Player To Be Named Later
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The hell is wrong with you?
murphyag
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Who pissed in your Cheerios?

Marcus- don't listen to this dude. We'd all much rather he leave texags than you.

Marcus Aurelius
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f burg ag said:

Marcus Aurelius said:

Not to throw acid on this discussion. But I got 4 new COVID-19 nursing home patients sick as hell yesterday. Frustrating. We we're in decline mode till this.
Fail on my part. You are so full of ****, but I tried. On one hand you say that you support opening up, but then you immediately post this garbage about 4 people that everyone knows are extremely high risk. Enjoy your 15 seconds of fame. I might get banned for all this, but I was simply trying to connect with an influential individual.

Before you call me insensitive....my father was in assisted living until last week and I had to put him in memory care today. He is the definition of high risk.
WTF?

I am so full of ***** OK. Whew. 15 seconds of fame ? You think I am looking for that on these boards taking care of these pts?
AggieDruggist89
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AggieJosh2002 said:

I've heard that no coronavirus has ever had a vaccine ... However, has anyone really put a ton of money into even trying to find one? I know they did for SARS but stopped pursuing it when SARS went away and there was no need for it (i.e. no customers)

Just curious because I see people use that as an argument that we won't have a successful vaccine or even one that helps. I have no idea if they have ever tried hard to create a coronavirus vaccine or not.


Corona virus causes SARS (severe acute respiratory syndrome). One is a virus the other is an illness.

So it's like saying we haven't tried to make a vaccine for Rhino Virus but we have for Cold.
KlinkerAg11
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Please don't, you're a great poster.

Both measured and informative.

You've never been against opening back up, not sure why anyone would be upset with you.
Knucklesammich
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that dude can go jump in a river, reading posts from the various docs here has been a Godsend in terms of real information based on actual practice in a variety locations.



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