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IPFS News Link • Science, Medicine and Technology

Majority Are Already Immune Against SARS-CoV-2

• - Dr Mercola

Fatality statistics1,2,3,4,5,6,7 from multiple sources, calculated in a variety of ways, show the risk of dying from COVID-19 is lower than your risk of dying from conventional influenza, at least if you're under the age of 60.

Overall, the data8,9 also show that the overall all-cause mortality has remained steady this year and doesn't veer from the norm. In other words, COVID-19 has not killed off more of the population than would have died in any given year anyway.

Several studies also suggest immunity against SARS-CoV-2 infection is far more widespread than anyone imagined, and that the threshold for herd immunity is far lower than previously estimated.

Most Are Already Immune to SARS-CoV-2 Infection  

Studies supporting the claim that widespread immunity against SARS-CoV-2 already exists include: 

Cell, June 202010,11  This study found 70% of samples from patients who had recovered from mild cases of COVID-19 had resistance to SARS-CoV-2 on the T-cell level. Importantly, 40% to 60% of people who had not been exposed to SARS-CoV-2 also had resistance to the virus on the T-cell level.

According to the authors, this suggests there's "cross-reactive T cell recognition between circulating 'common cold' coronaviruses and SARS-CoV-2." In other words, if you've recovered from a common cold caused by a particular coronavirus, your humoral immune system may activate when you encounter SARS-CoV-2, thus rendering you resistant to COVID-19.

Nature Immunology, September 202012  This German study was initially posted on a preprint server in June 2020 under the title, "SARS-CoV-2 T-cell Epitopes Define Heterologous and COVID-19-Induced T-Cell Recognition."13