The COVID-19 Science and Medicine Question Thread

Could this COVID vaccination become an annual event as is the current Flu vaccination. I realize that much more data needs to be reaped but could you softly, I hate to use the word, speculate just a bit?
No speculation need since nobody really knows and we won't know for sure until enough time passes that we start seeing vaccinated folks getting sick again. Will it happen next year or 5 years from now? Also will the variants start showing significant resistance to the current vaccines so will we need periodic boosters that address variants?
 
My best guess is YES to annual Covid vaccinations. Moderna is already working on a combo Flu/Covid vaccine that will be given annually.

From what I have read about past pandemics, it will take 2 years to get this under control. We are currently in the 15th month or there about.
 
Interesting graph today which shows the effectivity of vaccination in Nursing Homes.

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Thats telling for all those Vaccine naysayers.

I am getting concerned about this NYC variant that is showing up. Its resistant to the monoclonal antibody therapy and possibly the vaccine. We'll need to watch that closely.

As a smart man once said, "It aint over till its over"!
 
Is there currently a way of measuring the level of antibodies in a vaccinated or Covid recovered individual; not just the presence?
 
Is there currently a way of measuring the level of antibodies in a vaccinated or Covid recovered individual; not just the presence?
Just checked the FDA website, and as I surmised, there are not any EUA Quantitative Assays out there to measure the amount of circulating COVID-19 Antibodies. There are ~70 or so EUA Qualitative Assays for the detection of COVID-19 Antibodies out there.

That being said, you can be sure that every vaccine company has more than one of these assays to determine and track antibody development in vaccinated folks. Unlike the qualitative assay which just look for the presence of IgM and/or IgG that react with different COVID-19 specific antigens, the R&D assays that the vaccine companies utilize are probably focused on the the amount and reactivity of antibodies to their COVID-19 construct, in all the current cases, the spike protein. In addition to actual antibodies, the vaccine companies are also looking at Helper T-cells.
 
Elisa screening will give antibody levels to specific proteins such a RBD. It measures titer. Its what is used to determine if someone is a good plasma donor.
 
Maybe a rambling question, but serious. What does 95% efficacy mean as it relates to the Covid vaccines. Does that mean that a fully vaccinated indiividual has a 95% chance that they will not be infected. Or a 95% chance that if infected they will not have any symptoms. Or if infected they will have a 95% chance of only mild symptoms. Or if infected they most likely will not die.
 
Those were not rambling questions but actually GREAT ones that everyone should be asking!

Roccus7 hit the nail on the head with his response.

I wish it was explained to more people as well as the differences with the vaccines. Alot of misinformation out there ESPECIALLY in lower income communities.
 
Left on my wife’s windshield yesterday View attachment 32353View attachment 32354
In general some true statements, but the devil is in the details.

#1 - I'll break them out.
  • True enough, but this technology has been used in animals for a good 10 - 15 years
  • The only true concern is autoimmune reactions, something that ALL vaccines have, the rest are BS
  • Yup, this is Moderna's first commercial product, got to start somewhere and for all intents and purposes, Moderna = Pfizer
#2 - Generally true, but a lot of "We don't know yet" here. SARS is a coronavirus and developed vaccines were never deployed because the virus disappeared. Same for the longevity of the COVID-19 vaccine immunity, we just don't know. The vaccines completed clinical studies in late 2020 and the persistence of immunity is a "real time" event so as I type this, we only 4 or so months of data. Hopefully we'll be lucky and it is longer lasting than a few months. Right now it seems to be because the re-infection rate of people who have had one bout with the disease is quite low.

#3 - Disgruntled malpractice lawyers wrote this. Yes, EUA does limit the liability of a company, but the PREP Act does provide compensation at a fixed price, just not at the millions of dollars the lawyers would like.

#4 - First point is the only true statement in the lot. Yes, things were "rushed", but not as a way to circumvent safety. The key steps, usually run in series, e.g. you don't do step 2 until step 1 is run and completed, the steps were run in parallel where appropriate. This saved precious time. However, the clinical trials of the vaccines, run on humans, were just as extensive as other vaccines, and the observed adverse reactions have been as few, if not fewer, than any normal vaccine. Subsequently, very few, but some, medical professionals have expressed significant concern about the safety and most of these concerns were voiced BEFORE the completion of the clinical trials, which alleviated the concern of most.

If a company had tested a similar vaccine in animals, yes they could skip this step with the COVID vaccine. Now we're talking EXTREME similarity. For example in the J&J vaccine, which uses a technology used in other vaccines, their COVID-19 vaccine's only difference with others of their vaccine on the market, is the substitution of DNA that encodes for the COVID spike protein. A difference of a few nucleic acids in a complex milieu of a vaccine is truly trivial, and animal testing data from other, identical vaccines with the exception of the nucleotide substitution, is no biggie in my scientific opinion, something I have done and proved to FDA on many occasions. FYI, the yearly flu vaccine doesn't even repeat human clinical trials. The only thing that's done is that they choose the viral strains that they'll use and plop them into the "Gold Standard" vaccine mix.

#5 is funny, the lawyers at work again. Name me a single major pharma company that hasn't been convicted of a malpractice and medical fraud charge. What's interesting with this one, is the fact that Moderna "charges" never use the adjective "medical". Sure, start up companies often "embellish" their financials to help increase investment and I'm sure Moderna has had these types of charges, but totally irrelevant to this point.
 
I have heard that the J&J vaccine is now also a two stage vaccine.

People receiving it are now being told to return for second shot and maybe another in 14 months.

?
 
I have heard that the J&J vaccine is now also a two stage vaccine.

People receiving it are now being told to return for second shot and maybe another in 14 months.

?
Only thing I found Jack was a Nov, 2020 news blurb that J&J was considering running an adjunct clinical study with a second shot 57 days after the initial one as a hedge if the single shot strategy didn't work. Other than that, there's nothing out there I can find, and I don't think they filed these data with their EUA.

As far as "more shots", I think this will be something in our future, although I hope it won't be. Right now the 3 vaccines are very effective against all variant strains with one exception; they seem not to be as effective with the Brazilian strain as they are with all the other variants. Similarly with everything flying around here, time will tell and we'll continue to learn new things and relearn old things, and how new data may flip things 180° tomorrow from what we understand today.
 
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Per the note on the windshield:

#1 - FALSE. mRNA technology has been around for quite some time and has always been looked at as the next generation technology for vaccines. Covid-19 sped things up.

mRNA focuses on a specific protein. DOES NOT ALTER OR OTHERWISE AFFECT DNA.

#2 thru #5 is all speculation. There IS alot we do not know about these vaccines.

BUT

We do know that Covid-19 is real. We do know that Covid-19 can kill you. We do know that Covid-19 can leave you with lifelong issues.

It comes down to RISK/REWARD................How much are you risking by taking the vaccine vs how much you are risking NOT taking it and getting infected.

I will admit that back in November, I was sceptical of the vaccine. I wasnt planning on getting it. Reading the trial data convinced me otherwise......
 
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