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Re: CV and mad panic behaviour

Reply #6180
I read an article discussing boosters that said the moderna booster worked better than pfizer or astra but the Novavax as a booster smashed them both especially after two shots of astra.
It's quite possible, the science seems to indicate cross vaccination is clearly delivering the best antibody response and better long term adaptive immune response ( T-Cell and B-Cell memory).

Pfizer works OK but it's efficacy is perhaps overhyped, the pharmaceutical companies are clearly all massive commercial entities, but it appears to me that Pfizer is an order of magnitude ahead of the others in terms of marketing and promoting it's product. I worry that a lot of it's spin is about it's balance sheet more than curing the pandemic, Pfizer's CEO pushing more frequent and earlier boosters shots should be an alarm bell for the authorities, the science should be pursuing better outcomes not just more of the same!
The Force Awakens!

Re: CV and mad panic behaviour

Reply #6181
The fact that the majority of eligible folks in the country are now double vaccinated means that most of the ongoing transmission will come from vaccinated folks.
@Lods  That might not be correct, viral load and shedding determines how infectious someone might be, while there may be more vaccinated people roaming around it still appears that they shed less virus, have lower viral loads and remain less likely to transmit by about an order of magnitude. Based on uptake that probably means if you get Sars-CoV-2 it's still more likely you get it from someone unvaccinated.

It's not a simple situation to evaluate, the math is serious complicated, too much of the media coverage talks like getting infected is easy like getting fur off you from contact with a cat or dog. If you pass or brush against infected people they aren't all putting you at the same level of risk, and that level of risk is non-linear.

There remains a risk that vaccinated or unvaccinated could become super-spreaders, but it's wrong to assume all is equal, the chance of a vaccinated person becoming a super-spreader is very very low, several orders of magnitude lower.

Finally, being vaccinated is a clear indicator of willingness to comply with health directives, social distancing, mask wearing in hazard zones, getting tested if unwell. It makes a difference and all feeds back into the math.
The Force Awakens!

Re: CV and mad panic behaviour

Reply #6182
Boris Johnson: UK Faces 'Tidal Wave' Of Omicron Cases, Huffpost.

Perhaps Boris Johnson isn't well placed to inform the masses given that he would welcome a distraction from his political problems (including the fallout from the revelation his Tories held parties during the lockdown and had a laugh about it). But the epidemiologists are more credible:
Quote
Johnson’s announcement came hours after the government raised the country’s official coronavirus threat level, warning the rapid spread of the omicron variant had pushed the U.K. into risky territory.

The chief medical officers of England, Scotland, Wales and Northern Ireland said the 1of the highly transmissible new strain “adds additional and rapidly increasing risk to the public and health care services” at a time when COVID-19 is already widespread. They recommended raising the alert level from 3 to 4 on a 5-point scale. The top level, 5, indicates authorities think the health care system is about to be overwhelmed.

The doctors said early evidence shows omicron is spreading much faster than the currently dominant delta variant, and that vaccines offer less protection against it. British officials say omicron is likely to replace delta as the dominant strain in the U.K. within days.

“Data on severity will become clearer over the coming weeks but hospitalizations from omicron are already occurring and these are likely to increase rapidly,” they said.

Concerns about the new variant led Johnson’s Conservative government to reintroduce restrictions that were lifted almost six months ago. Masks must be worn in most indoor settings, COVID-19 certificates must be shown to enter nightclubs and people are being urged to work from home if possible.

Many scientists say that’s unlikely to be enough, however, and are calling for tougher measures, which the government so far has resisted.

Re: CV and mad panic behaviour

Reply #6183
I read an article discussing boosters that said the moderna booster worked better than pfizer or astra but the Novavax as a booster smashed them both especially after two shots of astra.
I want the Novavax and its been prescribed for my daughters MIL who has multiple health issues and cant have the others but is the same old story with supply being the issue and its also going to cost more.
Moderna gave my Son in Law lumps along his collarbone and a shingles type rash after one dose......

Re: CV and mad panic behaviour

Reply #6184
@Lods  That might not be correct, viral load and shedding determines how infectious someone might be, while there may be more vaccinated people roaming around it still appears that they shed less virus, have lower viral loads and remain less likely to transmit by about an order of magnitude. Based on uptake that probably means if you get Sars-CoV-2 it's still more likely you get it from someone unvaccinated.


I can get my head around the fact that you're a lot less likely to get it from a vaccinated person due to the lesser impact of the  virus on their system and the load they carry but surely that's countered by the number of folks vaccinated and still passing it on.

Failing clear data we really have no idea as to where the transmission is coming from...and I'm not sure you how you measure where you've caught it from.
There are so many variables, including waning protection in some of the early vaccinated.

With the Queensland situation we really shouldn't have any 'interstate unvaccinated' roaming free so it will be interesting to see if it takes hold. I think a rise in cases is the expectation from the health folk.



Re: CV and mad panic behaviour

Reply #6185
It's nonsense to try to aggregate the risk of vaccinated people passing on Covid in order to say unvaccinated people are no longer a problem.

Forget about aggregation. If the average unvaccinated person is more likely to catch and infect others with Covid than the average vaccinated person (and yes, a lot of work has to be done in assessing those risks), that's a reasonable basis to impose mandates and the like.

The CDC reports that only 28% of fatal accidents in the US involve alcohol impairment. As sober drivers are 3 times more likely to be involved in fatal accidents, does that mean we shouldn't try to keep drunk drivers off the road? Maybe it would be better to concentrate on the increased risk of an alcohol-affected driver being involved in a collision compared to a sober driver rather than the aggregate statistics. 

Re: CV and mad panic behaviour

Reply #6186
Comparing someone who doesn't want to get vaccinated to someone getting sloshed and getting behind the wheel is beyond reaching.
2012 HAPPENED!!!!!!!

Re: CV and mad panic behaviour

Reply #6187
No, it's simple probability and statistics. The point is only how aggregation is nonsensical. If you saw a statistician using the same methodology to compute the probability that 5 tosses of a coin result in 3 heads and a random group of 5 people has 3 females in it, would you seriously argue that it would be outrageous to compare people and coins?

Re: CV and mad panic behaviour

Reply #6188
I can get my head around the fact that you're a lot less likely to get it from a vaccinated person due to the lesser impact of the  virus on their system and the load they carry but surely that's countered by the number of folks vaccinated and still passing it on.
It's to do with the level of viral load and viral shedding relative to what level of virus you have to take up to have a good chance of being infected.

Can I offer some simplistic numbers to explain the chance/risk concept because I do not know the real figures, if so read on?

Let's say you need to take on a viral load of 1,000 to have a chance of being infected, but a vaccinated person might only be shedding a load of 100, they are giving you 1/10th of a chance of being infected. This is per unit time/exposure. An unvaccinated person might be shedding 100,000, you still only need 1,000 to have a chance but now that one contact is giving you 100 chances to get infected. In ratio that makes you 1000x more likely to get the virus off the person shedding 100,000 versus the person shedding 100, from the same level of exposure.

btw., How much virus and bacteria can you shed? When I asked this of an associate in the field they mentioned that a healthy person sheds about 50,000 virus or bacteria particles with every deep breath, while simply coughing and/or sneezing can shed 10x to 50x more!

Now think about these figures and how the vaccine providers might calculate efficacy, where does that 95% or 97% efficacy figure come from, knowing that shedding is part of the calculation it clear how these ratios can relate to deliver vastly different outcomes!

PS; I want to be clear about this because naysayers will latch onto the figures, I do not know the real numbers. I've used powers of 10 to simplify the explanation, it may be that the real world numbers are 3, 30 and 3000 or 15, 150 and 15000, whatever they are isn't important it's the relationship between them. The ratios may even be non-linear requiring the use of exponents, roots and complex numbers (The reason why I used the term simplistic rather than imaginary!) Also the term "a chance" might be 50/50, or 60/40, or 40/60, etc., etc..
The Force Awakens!

Re: CV and mad panic behaviour

Reply #6189
It's nonsense to try to aggregate the risk of vaccinated people passing on Covid in order to say unvaccinated people are no longer a problem.

Forget about aggregation. If the average unvaccinated person is more likely to catch and infect others with Covid than the average vaccinated person (and yes, a lot of work has to be done in assessing those risks), that's a reasonable basis to impose mandates and the like.

The CDC reports that only 28% of fatal accidents in the US involve alcohol impairment. As sober drivers are 3 times more likely to be involved in fatal accidents, does that mean we shouldn't try to keep drunk drivers off the road? Maybe it would be better to concentrate on the increased risk of an alcohol-affected driver being involved in a collision compared to a sober driver rather than the aggregate statistics. 

I'm certainly not suggesting that (in bold)...

There seems to be a bit of a line of thinking that if you mention vaccinated folk spread covid you're helping promote the philosophies of the unvaccinated.

In actual fact having some confusion over the fact that you're still at risk is surely a dangerous practice...it leads to a false sense of security.
Folks should be aware of all the issues surrounding the disease and vaccines.

In a situation that changes day by day anyone who thinks they have all the answers probably needs to take a pause.
Advice can change quickly.

https://www.abc.net.au/news/2021-12-11/booster-access-brought-forward-to-slow-spread-of-omicron-variant/100693484

Quote
"There is no evidence to suggest, at the moment, that an earlier booster does of the current covid-19 vaccines, will augment the protection against the omicron variant," Chief Medical Officer Paul Kelly said on December 3.

But much more has been learned about the Omicron variant since then, including its transmissibility, and the advice has now been changed.

Omicron has thrown into question some of the strategies and effectiveness used with the Delta strain, just as Delta meant a change from previous strains (need for boosters).
The next variant might present even more challenges.

https://www.msn.com/en-au/news/world/how-omicron-appears-to-be-infecting-britain-despite-the-vaccine/ar-AARJzDr?ocid=msedgdhp&pc=U531

"Get vaccinated, get your boosters" is the best current advice...but the challenge remains that there is still a lot of work needed to stay ahead of this thing.

 

Re: CV and mad panic behaviour

Reply #6190
It's to do with the level of viral load and viral shedding relative to what level of virus you have to take up to have a good chance of being infected.

Can I offer some simplistic numbers to explain the chance/risk concept because I do not know the real figures, if so read on?

Let's say you need to take on a viral load of 1,000 to have a chance of being infected, but a vaccinated person might only be shedding a load of 100, they are giving you 1/10th of a chance of being infected. This is per unit time/exposure. An unvaccinated person might be shedding 100,000, you still only need 1,000 to have a chance but now that one contact is giving you 100 chances to get infected. In ratio that makes you 1000x more likely to get the virus off the person shedding 100,000 versus the person shedding 100, from the same level of exposure.

btw., How much virus and bacteria can you shed? When I asked this of an associate in the field they mentioned that a healthy person sheds about 50,000 virus or bacteria particles with every deep breath, while simply coughing and/or sneezing can shed 10x to 50x more!

Now think about these figures and how the vaccine providers might calculate efficacy, where does that 95% or 97% efficacy figure come from, knowing that shedding is part of the calculation it clear how these ratios can relate to deliver vastly different outcomes!

PS; I want to be clear about this because naysayers will latch onto the figures, I do not know the real numbers. I've used powers of 10 to simplify the explanation, it may be that the real world numbers are 3, 30 and 3000 or 15, 150 and 15000, whatever they are isn't important it's the relationship between them. The ratios may even be non-linear requiring the use of exponents, roots and complex numbers (The reason why I used the term simplistic rather than imaginary!) Also the term "a chance" might be 50/50, or 60/40, or 40/60, etc., etc..

Let's for a minute say we go with your figures.
What happens when a mutated variant comes into play for which a vaccine does not offer the same protection?
If the Omicron takes off it is liable to displace the currently dominant Delta.
As I said we can only go with the best current advice (that's my own personal position) but it seems to me the covid is staying one step ahead.

Re: CV and mad panic behaviour

Reply #6191
Let's for a minute say we go with your figures.
What happens when a mutated variant comes into play for which a vaccine does not offer the same protection?
If the Omicron takes off it is liable to displace the currently dominant Delta.
As I said we can only go with the best current advice (that's my own personal position) but it seems to me the covid is staying one step ahead.
But at the moment the game remains as stated, and the vaccines still have efficacy.

The new legislation taken up here and abroad is designed to slow the spread, to buy time for the evolution of vaccines by slowing the infections. At this stage it is working, the biggest risk is public non-compliance not the virus. Even though it's a fantasy and impossible, if when the virus was first detected we all locked down for a month and remained distanced, it would be extinct now.

No matter how contagious a virus needs a vector to spread and that vector is generally formed by a combination of actions from people who are in a proximity. In close proximity, one infected unvaccinated person might be the equivalent of 10, 100 or 1000 infected vaccinated people.

Omicron impacts efficacy in many ways, transmission is only one of probably dozens of terms in a very complex real world equation. None of us can escape Sars-CoV-2 forever, eventually we will all get it or some future variant, because it's now endemic. That's why closing borders can't work, it encourages bad behaviour by allowing people to resume the old ways and those old ways are now inherently risky, because from here onwards spread is always a mater of when not if! It is almost as bad as doing nothing like the protestors basically demand.
The Force Awakens!

Re: CV and mad panic behaviour

Reply #6192
But at the moment the game remains as stated, and the vaccines still have efficacy.

...and that's kind of at the root of what troubles me.
Are we playing last week's game when the real worry is the game ahead?


Re: CV and mad panic behaviour

Reply #6193
...and that's kind of at the root of what troubles me.
Are we playing last week's game when the real worry is the game ahead?
Even if the vaccines lose efficacy, the restrictive measures still work to slow or even stop the spread, as long as there is compliance by the public. This lack of compliance is what makes deniers / protestors such a risk to everyone else, and if the game changes they will be persecuted by mob rule, they are already such a minority, God help them if they are not prepared to help themselves and the rules of the game change!
The Force Awakens!

Re: CV and mad panic behaviour

Reply #6194
Comparing someone who doesn't want to get vaccinated to someone getting sloshed and getting behind the wheel is beyond reaching.

More people die by horses and cows than lions.
Doesn't mean Lions are not dangerous though, just statistically there are more of them and more chances of accidents happening as a result.

antivaxxers are basically saying they'd prefer to be in a cage with a lion than with a cow. Thats how nonsensical that 'logic' is.