Can people have natural immunity to Covid 19? ... The people with hidden immunity against Covid-19

Squire

Active member
It appears that people can have degrees of immunity from no symptoms to mild symptoms according to the ability of their T cells to fight the virus.

https://www.bbc.com/future/article/20200716-the-people-with-hidden-protection-from-covid-19

... Several studies have shown that people infected with Covid-19 tend to have T cells that can target the virus, regardless of whether they have experienced symptoms. So far, so normal. But scientists have also recently discovered that some people can test negative for antibodies against Covid-19 and positive for T cells that can identify the virus. This has led to suspicions that some level of immunity against the disease might be twice as common as was previously thought.

Most bizarrely of all, when researchers tested blood samples taken years before the pandemic started, they found T cells which were specifically tailored to detect proteins on the surface of Covid-19. This suggests that some people already had a pre-existing degree of resistance against the virus before it ever infected a human. And it appears to be surprisingly prevalent: 40-60% of unexposed individuals had these cells.

Aids is primarily a disease of T cells, which are systematically eliminated by HIV in patients who are infected by the virus (Credit: Martin Keene/PA)
Aids is primarily a disease of T cells, which are systematically eliminated by HIV in patients who are infected by the virus (Credit: Martin Keene/PA)

It looks increasingly like T cells might be a secret source of immunity to Covid-19. ...
 

Texan

Active member
We had 3 levels of symptoms between the 4 people in my household. My middle son was asymptomatic, my youngest son and I had a fever for 5 days and a mild cough for 2 weeks, my wife had fever, nausea, pneumonia, fatigue, and hair loss for 3 months following. She spent 5 days in a hospital. We are all fine now.
 

Squire

Active member
We had 3 levels of symptoms between the 4 people in my household. My middle son was asymptomatic, my youngest son and I had a fever for 5 days and a mild cough for 2 weeks, my wife had fever, nausea, pneumonia, fatigue, and hair loss for 3 months following. She spent 5 days in a hospital. We are all fine now.
Was everybody in your family tested for Covid 19 infection? Did all your family test positive?
 
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