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A study published in February in the journal Science shows that immunity to the Wuhan coronavirus (SARS-CoV-2) lasts at least eight months after a person has contracted COVID-19. This finding is an optimistic sign that immunity can probably last for many years.
Article by Virgilio Marin from Natural News.
“There was a lot of concern originally that this virus might not induce much memory,” Shane Crotty, an infectious disease professor at the University of California, San Diego and one of the study researchers, told MIT Review. “Instead, the immune memory looks quite good.”
How survivors develop long-term immunity to coronavirus
According to the National Institutes of Health, the immune system remembers a virus after a person gets infected with it. Immune cells and proteins in the body can then recognize and kill the virus if that person catches it again, preventing a second infection. This “immunological memory” is the basis for adaptive immunity.
There are several components of adaptive immunity, including antibodies, helper T cells, killer T cells and memory B cells. Antibodies recognize foreign substances such as viruses and neutralize them. Helper T cells, on the other hand, activate other immune cells while killer T cells eliminate pathogens. Finally, memory B cells reactivate and produce new antibodies when the body needs them.
But it was unclear how long immunity against COVID-19 would last. To that end, Crotty and his team measured the levels of each of these immune components in 188 COVID-19 survivors and patients. More than 40 of the participants provided samples of their blood six to eight months after catching the virus.
The researchers found antibodies specific to the spike protein of SARS-CoV-2, which the virus uses to infect cells, in 98 percent of the participants a month after symptom onset. Levels of these antibodies declined only modestly six to eight months after infection, consistent with previous studies.
Meanwhile, virus-specific memory B cells increased over time. The participants had more memory B cells six months after symptom onset compared to a month afterward. Though memory B cells reached a plateau after a few months, they did not decline over the period studied.
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Levels of virus-specific T cells also remained high. Six to eight months after infection, 92 percent of the participants still had detectable helper T cells while around half still had detectable killer T cells.
“This implies that there’s a good chance people would have protective immunity, at least against serious disease, for that period of time, and probably well beyond that,” Crotty said.
A strong immune system is key to prevent reinfection
The researchers noted that the immune system’s response to COVID-19 varies from one person to another. People with a weak immune system may be more susceptible to reinfection or are more likely to infect others than those with a robust immune system. But overall, the findings bode well for COVID-19 survivors.
“Several months ago, our studies showed that natural infection induced a strong response, and this study now shows that the responses last,” said Daniela Weiskopf, a researcher at the La Jolla Institute for Immunology (LJI) in California and a co-author of the study.
Past studies suggested that survivors might be vulnerable to reinfection since COVID-19 antibodies steadily plummet after recovery. For instance, a study released last November indicated that antibodies peak 24 days after infection and drop by half just three months after symptom onset. But Alessandro Sette, one of the study’s researchers who heads his own lab at LJI, allayed fears of a second infection.
“Of course, the immune response decreases over time to a certain extent, but that’s normal. That’s what immune responses do. They have a first phase of ramping up, and after that fantastic expansion, eventually the immune response contracts somewhat and gets to a steady state,” Sette explained. (Related: Infected patients develop long-term immunity to coronavirus.)
The researchers continue to analyze blood samples from COVID-19 patients to track their responses 12 to 18 months after symptom onset. They are also working to understand how adaptive immunity differs across people of different ages and how that may influence disease severity.
Learn more about how the body’s built-in defenses ward off COVID-19 at ImmuneSystem.news.
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Will America-First News Outlets Make it to 2023?
Things are looking grim for conservative and populist news sites.
There’s something happening behind the scenes at several popular conservative news outlets. 2021 was bad, but 2022 is proving to be disastrous for news sites that aren’t “playing ball” with the corporate media narrative. It’s being said that advertisers are cracking down, forcing some of the biggest ad networks like Google and Yahoo to pull their inventory from conservative outlets. This has had two major effects. First, it has cooled most conservative outlets from discussing “taboo” topics like Pandemic Panic Theater, voter fraud, or The Great Reset. Second, it has isolated those ad networks that aren’t playing ball.
Certain topics are anathema for most ad networks. Speaking out against vaccines or vaccine mandates is a certain path to being demonetized. Highlighting voter fraud in the 2020 and future elections is another instant advertising death penalty. Throw in truthful stories about climate change hysteria, Critical Race Theory, and the border crisis and it’s easy to understand how difficult it is for America-First news outlets to spread the facts, share conservative opinions, and still pay the bills.
Without naming names, I have been told of several news outlets who have been forced to either consolidate with larger organizations or who have backed down on covering certain topics out of fear of being “canceled” by the ad networks. I get it. This is a business for many of us and it’s not very profitable. Those of us who do this for a living are often barely squeaking by, so loss of additional revenue can often mean being forced to make cuts. That means not being able to cover the topics properly. Its a Catch-22: Tell the truth and lose the money necessary to keep telling the truth, or avoid the truth and make enough money to survive. Those who have chosen survival simply aren’t able to spread the truth properly.
We will never avoid the truth. The Lord will provide if it is His will. Our job is simply to share the facts, spread the Gospel, and educate as many Americans as possible while exposing the forces of evil.
To those who have the means, we ask that you please donate. We have options available now, but there is no telling when those options will cancel us. We just launched a new GiveSendGo page. We also have our GivingFuel page. There have been many who have been canceled by PayPal, but for now it’s still an option. Your generosity is what keeps these sites running and allows us to get the truth to the masses. We’ve had great success in growing but we know we can do more with your assistance.
Thank you, and God Bless!
JD Rucker
When preparing for societal collapse, don’t forget the water!