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Author Topic: Just the Facts, the Crown virus.  (Read 28912 times)

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Online doc henderson

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Re: Just the Facts, the Crown virus.
« Reply #840 on: October 17, 2020, 09:20:29 AM »
each vaccine may have better or worse responses, depending on what antigens (parts that look like the virus) they use ect.  some may have side effects like Gillian Barret or transverse myelitis.  vaccines all have some potential harm, but is generally far outweighed by the benefits.  or we would not use it.  the rush on this is the concern, in the the roll out to the public may be where we uncover unforeseen complications.  many of the "complications"  sited by the anti-vaccine folks, occur at the same rate in vaccinated and non-vaccinated people.  so had we had a vaccine, and it would have killed or damaged 200 people, it would be better to have saved 210,000 folks as an example.
timberking B 2000, 277c track loader, PJ 32 foot gooseneck, 1976 F700 state dump truck, JD 850 tractor.  2007 Chevy 3500HD dually, home built log splitter 18 horse 28 gpm with 5 inch cylinder and 32 inch split range with conveyor 12 volt tarp motor

Online doc henderson

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Re: Just the Facts, the Crown virus.
« Reply #841 on: October 17, 2020, 09:32:14 AM »
@customsawyer we think the antibodies are protective, since we can take plasma from a post infected person, and use it to treat a newly infected person.  no one knows how long it lasts.  and if you were just barely sick, and given the antibody treatment, your own body may not mount a good response and therefore not protect you in the future.  your body should continue to make the antibody if you had the disease, and hopefully from the "mock" disease produced by a vaccine.  antibodies given by someone elses plasma prob. only last for days.  A tetanus shot takes time to develop an immune response.  so the booster you get with a wound it for down the road.  if you had not been immunized for 10 years prior to an injury, you get the booster, but you also get a shot of pre made antibody.  we usually have memory cells that wait for the next time we see the disease.  some viruses mutate enough, that we start over each year.  Rabies is an example of a disease that we would not have the opportunity to get a second time.  anti-venom is another example of a medication to stop the effects of deadly snake venom.  most medications that the name ends in ab, is usually and antibody made or collected to combat a disease.
timberking B 2000, 277c track loader, PJ 32 foot gooseneck, 1976 F700 state dump truck, JD 850 tractor.  2007 Chevy 3500HD dually, home built log splitter 18 horse 28 gpm with 5 inch cylinder and 32 inch split range with conveyor 12 volt tarp motor

Offline Gary_C

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Re: Just the Facts, the Crown virus.
« Reply #842 on: October 17, 2020, 10:35:25 AM »
With all this recent talk of herd immunity and antibodies there is another type of immunity that is recently receiving attention and may explain why people have different immune responses to Covid-19. It's called T-cell immunity and there is growing evidence that some people may acquire some long lasting Covid-19 immunity from previous exposure to other coronavirus. (SARS-CoV-2 is the name of the virus that causes the Covid-19 infection)
Immune T Cells May Offer Lasting Protection Against COVID-19

SARS-CoV-2 belongs to a large family of coronaviruses, six of which were previously known to infect humans. Four of them are responsible for the common cold. The other two are more dangerous: SARS-CoV-1, the virus responsible for the outbreak of Severe Acute Respiratory Syndrome (SARS), which ended in 2004; and MERS-CoV, the virus that causes Middle East Respiratory Syndrome (MERS), first identified in Saudi Arabia in 2012.
All six previously known coronaviruses spark production of both antibodies and memory T cells. In addition, studies of immunity to SARS-CoV-1 have shown that T cells stick around for many years longer than acquired antibodies. So, Bertolettis team set out to gain a better understanding of T cell immunity against the novel coronavirus.
Finally, Bertolettis team looked for such T cells in blood samples from 37 healthy individuals with no history of either COVID-19 or SARS. To their surprise, more than half had T cells that recognize one or more of the SARS-CoV-2 proteins under study here. Its still not clear if this acquired immunity stems from previous infection with coronaviruses that cause the common cold or perhaps from exposure to other as-yet unknown coronaviruses. 

Scientist have generally believed there was no cross immunity with virus  but that belief may be proved wrong. If you want to read more, there is the link and in the link I posted there is a link to the article that was posted in Nature magazine. 
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Offline Hilltop366

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Re: Just the Facts, the Crown virus.
« Reply #843 on: October 17, 2020, 10:40:26 AM »
I was listening to a CBC radio science show this past Thursday about the use of chemical flame retardant that is/was used on fires and on products such as clothes and furniture and it's effect on the immune system.

Reachers found that there seemed to be a direct relation of the amount of these chemicals found in a persons blood and the level of immune response. They would give a person a vaccine and then test their blood for antibodies over a period of time, the normal response would be a graph line of a sharp increase of antibodies followed by gradual decline but as the amount of flame retardant in a persons blood increased the level of antibodies decreased resulting in a flatter graph showing a lower initial response and quicker decline.

This was also mentioned as another possible reason for strikingly different response to a corona19  infection from one seemingly healthy person to the next as well as different levels of immunity post infection.

Online doc henderson

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Re: Just the Facts, the Crown virus.
« Reply #844 on: October 17, 2020, 01:40:22 PM »
It may be why children, who get about 100 first time viral infection in the first 5 years of life, do better with this infection.  being in the same family, there will be like antigens as well as others that are differant.  all we care about is the immune system gets alerted and takes out the virus, and or infected cells.  people get colds later in life and boost the immunity they developed as children.  it is why many pediatricians feel they are super immune,  good looking, and smell nice!   :)
timberking B 2000, 277c track loader, PJ 32 foot gooseneck, 1976 F700 state dump truck, JD 850 tractor.  2007 Chevy 3500HD dually, home built log splitter 18 horse 28 gpm with 5 inch cylinder and 32 inch split range with conveyor 12 volt tarp motor

Offline Don P

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Re: Just the Facts, the Crown virus.
« Reply #845 on: October 17, 2020, 06:37:53 PM »
Yaay, my clients tested negative. Masks off in the house, I can go downstairs and have dinner with my bride tonite.
A laborer works with his hands
A craftsman uses his brain and his hands
An artist uses his brain, his hands, and his heart

Offline Raider Bill

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Re: Just the Facts, the Crown virus.
« Reply #846 on: October 19, 2020, 08:08:32 AM »
@Sedgehammer and @Raider Bill, A place to pump gas and go in and get coffee and munchies. Been calling them gas bars for 40 years in Canada. :D
Guess that's easier to say than convenience store. :D :D
The First 60 years of childhood is always the hardest.


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