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What are some unusual immunities that certain people have?

How’s that for academic-speak.

10% of Europe’s population is immune to the HIV virus. The immunity is highest in Scandinavian countries.

There’s a theory that it is tied to the Black Plague.

They found a mutation, CCR5-Δ32, that blocks the virus from entering immune cells. They have dated the mutation directly to the time of the plague.

And the popular theory is that when the plague swept across Europe, killing 40% of the population (let that sink in 40% - this was a time when humans saw the risk of extinction as a very real threat), very few people had the mutation. But those that did - lived on to have children. (Remember evolution is often just a series of mutations that ensures survival. )

The plague had several sweeps, it wasn’t an all at once thing. With each sweep, the CCR5-Δ32 got propagated.

.01% --> .1% --> 1% --> 10%

Until we are where we are today. The proportion of people with the mutation is on the right side of the below image.

(Note that this region is exactly where the black plague hit.)

Of course, today, that 10% number will trend downward as we have medicine to spare us from the many savage iterations of evolution.


This information was taken from Quora. Click here to view the original post.

Have you ever heard about this scientific fact before?

#Science #Society #Quora

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What are your thoughts on this subject?
22 Comments
Jim Adams
Irma Rivera, No, that some people are immune to HIV is a proven fact. Thanks to nuclear medicine we now know why. Some people don’t have the proper receptors in their bodies for the virus to attach. If it can’t attach you are immune. It’s estimated that at any time, approximately 1/3 of the world’s population will be immune to any virus running rough on the rest of the world.
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May 24, 2020 10:43PM
Raymond Cardona
This is new. Information for me and very interesting. Thanks. Bonnie
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Apr 15, 2020 5:28PM
Evelyn Cowled
No. But interesting. Thanks.
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Mar 10, 2020 5:58AM
JudyMaddox
Vdry interesti.g and informativr
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Feb 25, 2020 8:43AM
Lauri Kauppinen
Thought it was to be about multiple types of immunities, not just just "H.I.V."
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Nov 2, 2019 7:18PM
poochso
I am one of those guys who's immune... I lost two partners that I took care of till they died. That's when I decided to find a Dr who could explain to me why I never got sick. I was a mega-partier with many MANY sexual partners and I should have gone in the first round of deaths way back in the beginning. I'm 64 now and still going strong with my 30 year old partner.
3
Oct 30, 2019 4:16PM
Irma Rivera
Very interesting but it needs to be proven!!!
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Oct 1, 2019 3:28AM
salimahmrogers
no, never,
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Sep 13, 2019 9:03PM
jack patti go
No, I have never heard that!
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Sep 11, 2019 8:54PM
David Holmes
jilllynnsmith, It is wise to double or even triple check any information you find on any Internet source. I always have a good look at the original source of the information. If it's published by a reputable source, say a well known university it's probably OK!
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Sep 7, 2019 10:31PM
David Holmes
There are at least two "plague pits" in the city where I live, one being quite close to my home. The bodies were buried in deep communal graves. I believe that quicklime was thrown onto the bodies to assist decay. These of course no longer are no longer any health risk.
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Sep 7, 2019 10:27PM
jilllynnsmith
Very interesting like all new information, I believe that I'm gonna really enjoy checking this out. So I can make a make myself a informed opinion.. I hope that this information istrue cause its Pretty Damn Cool!
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Sep 4, 2019 7:11PM
billyboy915
Keith Hennessey, I'm so sorry for you. You are so smug and adamant about your misinformation. We certainly wouldn't want cognitive dissonance setting in, upsetting your tidy little world, by presenting you with scientific evidence. I'm sure your mantra must be, "I know what I know, don't confuse me with facts!" SMH
3
Aug 31, 2019 11:29PM
Keith Hennessey
WE WERE CREATED, WE DID NOT EVOLVE...
3
Aug 31, 2019 5:51PM
bonniemiles
No very interesting how life can surprise you with new knowledge thanks
0
Aug 31, 2019 3:33PM

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