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#52366 | |
Supporter
Join Date: May 2005
Location: Who knows?
Casino cash: $-854116
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Quote:
Everything is open to full capacity, mask free. We haven't had a jump in cases. That's just our little slice of America, though. I think it passed through almost everyone around here (huge "immigrant" population, lots of packing plants) and we've built a natural immunity to it. |
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Posts: 88,553
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#52367 |
"You like to drink?"
Join Date: Jun 2006
Location: "I like to drink."
Casino cash: $-260000
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Obviously you've never played Civ 3
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Chiefs 2016 Opponents: Home: JAX, TEN, NO, TB, NYJ. Away: HOU, IND, ATL, CAR, PIT Chiefs 2017 Opponents: Home: BUF, MIA, PHI, WSH, AFC North. Away: NE, NYJ, NYG, DAL, AFC South |
Posts: 45,224
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#52368 |
MVP
Join Date: Oct 2006
Location: West of the Equator
Casino cash: $-1700099
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2nd Pfizer shot yesterday. Mild aching like the first time. Shoulder pain is more noticeable. Maybe should have gotten it in the arm that didn't get the first one.
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Posts: 13,852
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#52369 |
Generational Player
Join Date: May 2017
Location: Honolulu
Casino cash: $450400
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Pre-existing immunity to SARS-CoV-2: the knowns and unknowns
Alessandro Sette & Shane Crotty Nature Reviews Immunology volume T cell reactivity against SARS-CoV-2 was observed in unexposed people; however, the source and clinical relevance of the reactivity remains unknown. It is speculated that this reflects T cell memory to circulating ‘common cold’ coronaviruses. It will be important to define specificities of these T cells and assess their association with COVID-19 disease severity and vaccine responses. As data start to accumulate on the detection and characterization of SARS-CoV-2 T cell responses in humans, a surprising finding has been reported: lymphocytes from 20–50% of unexposed donors display significant reactivity to SARS-CoV-2 antigen peptide pools1,2,3,4. In a study by Grifoni et al.1, reactivity was detected in 50% of donor blood samples obtained in the USA between 2015 and 2018, before SARS-CoV-2 appeared in the human population. T cell reactivity was highest against proteins other than the coronavirus spike protein, but T cell reactivity was also detected against spike. The SARS-CoV-2 T cell reactivity was mostly associated with CD4+ T cells, with a smaller contribution by CD8+ T cells1. Similarly, in a study of blood donors in the Netherlands, Weiskopf et al.2 detected CD4+ T cell reactivity against SARS-CoV-2 spike peptides in 1 of 10 unexposed subjects and against SARS-CoV-2 non-spike peptides in 2 of 10 unexposed subjects. CD8+ T cell reactivity was observed in 1 of 10 unexposed donors. In a third study, from Germany, Braun et al.3 reported positive T cell responses against spike peptides in 34% of SARS-CoV-2 seronegative healthy donors. Finally, a study of individuals in Singapore, by Le Bert et al.4, reported T cell responses to nucleocapsid protein nsp7 or nsp13 in 50% of subjects with no history of SARS, COVID-19, or contact with patients with SARS or COVID-19. A study by Meckiff using samples from the UK also detected reactivity in unexposed subjects5. Taken together, five studies report evidence of pre-existing T cells that recognize SARS-CoV-2 in a significant fraction of people from diverse geographical locations. These early reports demonstrate that substantial T cell reactivity exists in many unexposed people; nevertheless, data have not yet demonstrated the source of the T cells or whether they are memory T cells. It has been speculated that the SARS-CoV-2-specific T cells in unexposed individuals might originate from memory T cells derived from exposure to ‘common cold’ coronaviruses (CCCs), such as HCoV-OC43, HCoV-HKU1, HCoV-NL63 and HCoV-229E, which widely circulate in the human population and are responsible for mild self-limiting respiratory symptoms. More than 90% of the human population is seropositive for at least three of the CCCs6. Thiel and colleagues3 reported that the T cell reactivity was highest against a pool of SARS-CoV-2 spike peptides that had homology to CCCs. What are the implications of these observations? The potential for pre-existing crossreactivity against COVID-19 in a fraction of the human population has led to extensive speculation. Pre-existing T cell immunity to SARS-CoV-2 could be relevant because it could influence COVID-19 disease severity. It is plausible that people with a high level of pre-existing memory CD4+ T cells that recognize SARS-CoV-2 could mount a faster and stronger immune response upon exposure to SARS-CoV-2 and thereby limit disease severity. https://www.nature.com/articles/s41577-020-0389-z |
Posts: 10,017
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#52370 |
"You like to drink?"
Join Date: Jun 2006
Location: "I like to drink."
Casino cash: $-260000
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Misinformation. Reported.
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Chiefs 2016 Opponents: Home: JAX, TEN, NO, TB, NYJ. Away: HOU, IND, ATL, CAR, PIT Chiefs 2017 Opponents: Home: BUF, MIA, PHI, WSH, AFC North. Away: NE, NYJ, NYG, DAL, AFC South |
Posts: 45,224
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#52371 |
I didn’t say mud, I said crud.
Join Date: Jan 2012
Casino cash: $-1461974
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Got my first Moderna shot today, 2nd one in 4 weeks.
In and out at Costco.
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Attendance Chief record 11-9 |
Posts: 30,835
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#52372 |
Hey Loochy, I'm hooome!
Join Date: Oct 2008
Location: PooPooKaKaPeePeeShire
Casino cash: $-1629603
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They put a burger joint inside Costco? Awesome!
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Hey Loochy, I'm hoooome! ![]() |
Posts: 42,096
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#52373 |
Generational Player
Join Date: May 2017
Location: Honolulu
Casino cash: $450400
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Posts: 10,017
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#52374 |
In Search of a Life
Join Date: Jul 2009
Casino cash: $-615936
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Looks like a lot of the Asian countries are getting hit now
India is likely having 20k deaths per day. Maybe even closer to 40k. It’s awful Last edited by O.city; 05-09-2021 at 08:44 AM.. |
Posts: 84,191
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#52375 |
Let's Get Weird
Join Date: Apr 2013
Location: Austin
Casino cash: $9910098
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Posts: 15,232
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#52376 |
Seize life. Be an ermine.
Join Date: Jul 2001
Location: My house
Casino cash: $-562449
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Denver is no longer requiring restaurant workers to wear masks as long as 85 percent have been vaccinated.
https://www.thedenverchannel.com/new...-85-vaccinated
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Active fan of the greatest team in NFL history. |
Posts: 145,357
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#52377 |
In Search of a Life
Join Date: Jul 2009
Casino cash: $-615936
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Posts: 84,191
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#52378 | |
Sometimes it's black and white
Join Date: Nov 2004
Location: California
Casino cash: $1284900
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Quote:
I think you can look at India and realize it could have been so much worse under a business as usual approach. Sure their health care system isn’t as comparable but a little old flu isn’t supposed to be sending that many to the hospital in the first place. And they have a generally young population at that. Luckily for us we managed to do enough to avoid a complete collapse of the hospital system and the vaccines are doing a fantastic job even against the new nastier variants.
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Sometimes. |
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Posts: 6,758
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#52379 |
Supporter
Join Date: May 2005
Location: Who knows?
Casino cash: $-854116
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Let's not compare the US to India when it comes to hygene and cleanliness.
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Posts: 88,553
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#52380 | |
In Search of a Life
Join Date: Jul 2009
Casino cash: $-615936
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Quote:
Now we’ve got enough vaccinated and natural immunity I think we’re going great. We did a bunch of shit we didn’t need to and we didn’t do stuff that could have helped. It wasn’t perfect by any means but we’re gonna survive |
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Posts: 84,191
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