'The underlying causes of the present pandemic have been both misrepresented and camouflaged. Causes that are mainly toxicology-based have been ignored relative to virology-based causes".
A few excerpts from the study (linked below)
...We live in a “sea” of viruses known as the human virome (Lecuit and Eloit, 2013). Viruses are integral to life itself; they are nature's way of ensuring “survival of the fittest”. They constantly probe the immune system defenses of the body. If the immune system is healthy, the viruses are neutralized. If the immune system is degraded/dysfunctional, pathogenic viruses can invade the cells, replicate, and trigger a chain of events leading to clinically manifested infectious disease.
...Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the zoonotic virus most closely associated with coronavirus disease 2019 (COVID-19). There are strong misconceptions about the role played by SARS-CoV-2 in the emergence of COVID-19, especially the severity of COVID-19 in selected demographic groups. These misconceptions result in treatments focused on virology without any consideration of toxicology: containing/attenuating SARS-CoV-2 exposure/viral loads rather than intrinsically strengthening the immune system.
...The current COVID-19 pandemic, the SARS pandemic of 2002–2003, and the annual influenza pandemics share some strong commonalities. A small fraction of those who are exposed to the respective viruses become symptomatic; then, a small fraction of those who are symptomatic succumb. Most of these infectious disease deaths result from pneumonia and further acute respiratory distress syndrome (ARDS).
...A vast majority of the deaths are among the elderly with important comorbidities and degraded/dysfunctional immune systems and some deaths among younger people with degraded/dysfunctional immune systems. While there is some decline in the immune system with age, comorbidity is a more reliable predictor of impaired immunity than chronological age in older adults.
...It is clear from the SARS results and the present COVID-19 results that exposure to the coronavirus for most people (except the relatively small number in the most vulnerable demographic) results in relatively mild symptoms (or, in many cases, no symptoms).
In other words, the vast majority of the public is metaphorically being protected presently by an extremely effective “quasi-vaccine”; namely, following practices that, while they certainly degrade the immune system to some extent because of exposure to toxic stressors, do not degrade the immune system excessively.
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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7426727/