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Joined: 09/02/2016 Posts: 14793
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Learned some new things today from the NYT

So, why are Covid vaccines effective at preventing you from getting severely sick, but not as good at stopping transmission of the virus?

The vaccines are injected deep into your arm where they prompt your immune system to produce T cells and powerful antibodies known as IgG.

These antibodies and immune cells circulate through your body, recognizing infected cells. This can offer enough protection to keep you from becoming severely ill.

But IgG antibodies have a hard time reaching the wet, squishy surfaces of your nose, mouth, respiratory tract and digestive system. These areas rely on a different immune response that involves antibodies known as IgA.

New research suggests that current vaccines aren’t as good at eliciting a strong IgA response in your nose and mouth.

If you’re vaccinated, IgG antibodies and T cells will prevent you from becoming seriously ill. But the virus can still bloom in your nose.

The Delta variant is especially contagious. The vaccines will still prevent serious illness if you become infected, but Delta replicates much faster than other variants, increasing the chances that you will transmit the virus from your nose and mouth.

Scientists are testing nose spray vaccines that might help IgA production — but they won’t be ready for a while.

In the meantime, masks are a simple and effective way to curb transmission.

Posted: 09/16/2021 at 12:02PM


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Current Thread:
Learned some new things today from the NYT -- WinningLeadership 09/16/2021 12:02PM
  Another pub talking point gone awry ** -- ralphie2425 09/16/2021 5:41PM
  Properly worn Surgical masks slow the spread. -- BACKinBLACK 09/16/2021 4:33PM
  You are correct, however -- 84Buff 09/16/2021 4:56PM
  Incorrect interpretation of results. -- BACKinBLACK 09/16/2021 5:27PM
  Footnote -- BACKinBLACK 09/16/2021 5:43PM
  People don't wear them that way ** -- 84Buff 09/16/2021 5:53PM
  What way is that? -- BACKinBLACK 09/16/2021 6:00PM
  Hmmmm, should I go with the random dude on NetBuffs -- bufffantheman 09/16/2021 2:04PM
  Good luck with that, sounds fun ** -- Colo Spgs Buff 09/16/2021 3:06PM
  I'll accept science and save lives -- bufffantheman 09/16/2021 3:11PM
  I'm glad that you feel good about yourself but do you really -- Colo Spgs Buff 09/16/2021 3:14PM
  By getting vaccinated you have. The mask studies show at -- Colo Spgs Buff 09/16/2021 3:22PM
  Here are more studies -- bufffantheman 09/16/2021 3:31PM
  You keep linking the CDC study. -- Colo Spgs Buff 09/16/2021 3:33PM
  I have only linked it once -- bufffantheman 09/16/2021 3:35PM
  Mayo -- bufffantheman 09/16/2021 3:27PM
  I like that as a username -- Random Dude. I might change soon. -- WinningLeadership 09/16/2021 2:55PM
  No they do not -- bufffantheman 09/16/2021 3:04PM
  From the guy that is gonna wear a face mask after Covid -- Colo Spgs Buff 09/16/2021 3:08PM
  None taken -- bufffantheman 09/16/2021 3:11PM
  Same for me and I don't mask up ** -- 84Buff 09/16/2021 4:36PM
  That sounds selfish. Make people wear masks to keep -- Colo Spgs Buff 09/16/2021 3:16PM
  I am willing to bet I am in better physical shape than you -- bufffantheman 09/16/2021 3:19PM
  Uh huh. Who exactly do you think you are protecting?** -- Colo Spgs Buff 09/16/2021 3:23PM
  Myself, my unvaccinated children, others at risk ** -- bufffantheman 09/16/2021 3:26PM
  How are you at risk? How are your children at risk? -- Colo Spgs Buff 09/16/2021 3:27PM
  I am not at risk -- bufffantheman 09/16/2021 3:28PM
  So you wearing a mask is to protect the unvaccinated then? -- Colo Spgs Buff 09/16/2021 3:31PM
  It's not about kids dying -- CUKev 09/16/2021 7:32PM
  To whom? The unvaccinated? Again we -- Colo Spgs Buff 09/16/2021 10:55PM
  Are you serious Clark? -- bufffantheman 09/16/2021 3:34PM
  My kids haven't missed a day. No masks. -- Colo Spgs Buff 09/16/2021 10:59PM
  Just wait they will -- bufffantheman 09/17/2021 10:28AM
  X** -- Colo Spgs Buff 09/16/2021 3:25PM
  Perhaps a shot in the face? ** -- BadgerBuff 09/16/2021 1:49PM
  🧠😂 ** -- WinningLeadership 09/16/2021 2:52PM
  Outstanding. Thank you for posting. -- WinningLeadership 09/16/2021 1:38PM
  Interesting, thanks for sharing ** -- EBN 09/16/2021 1:05PM