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Treating Three Types Of COVID
By Dr. Renae Norton


I believe that we are looking at 3 basic forms of COVID;  which I have dubbed RESP-COVID, NEURO-COVID and GI-COVID. RESP-COVID is the one that makes it hard to breath.  It is easy to spot as your lungs fill up with fluid and you literally can’t breath.  NEURO-COVID seems to affect brain and brain function and comes with an intense headache and other neurological symptoms such as brain fog, loss of taste or smell, muscle weakness and nerve damage in the limbs.  GI-COVID attacks the gut causing diarrhea, bloating, nausea, diminished appetite, Gastroparesis, GERD and sometimes even a fear of eating called ARFID


This is the version of COVID with which most people are familiar. In general, coronaviruses are an extremely common cause of colds and other upper respiratory infections. But SARS-CoV-2, short for severe acute respiratory syndrome coronavirus 2, is the official name for the coronavirus responsible for COVID-19.

Some people infected with the RESP-COVID have no symptoms or very minimal symptoms. More serious cases include the following symptoms:

  • Fever – can be high
  • Body ache
  • Severe cough
  • Sore throat
  • Shortness of breath
  • Pneumonia 
  • Fatigue

Many individuals who have had RESP-COVID report feeling as if they had a cold in that the symptoms were fairly mild.  When the symptoms are more severe, and the air-way is compromised, immediate treatment is indicated.


Another version of COVID is what I am calling NEURO-COVID, as it presents with what are clearly neurological symptoms.  These symptoms are easier to identify as most people do not experience them as often as they do symptoms of a cold, which is the way that mild RESP-COVID presents.  

NEURO-COVID symptoms include:

  • Headache – can be severe 
  • Brain fog
  • Loss of appetite
  • Loss of smell or taste 
  • Muscle weakness
  • Tingling or numbness in the hands and feet
  • Dizziness
  • Confusion
  • Delirium
  • Seizures
  • Stroke


In addition to RESP-COVID and NEURO-COVID, we have GI-COVID in which  the virus attacks the gastrointestinal (GI) system.  The virus that causes GI-COVID has been detected in stool, which reinforces the importance of hand washing after every visit to the bathroom and regularly disinfecting bathroom fixtures.  The symptoms, such as loss of appetite, nausea, vomiting, diarrhea, and abdominal pain or discomfort that are associated with GI-COVID are harder to detect and may cause more problems for the patient given that the gut contains 70% of the immune system as well as 70% of the body’s serotonin, our most important mood regulator. 


Finally, we have COMBO-COVID in which people can  experience neurological symptoms, gastrointestinal (GI) symptoms, or both, and which can occur with or without respiratory symptoms.

Protection From COVID-19

Some things are obvious, we must continue to socially distance and disinfect and for heaven’s sake WEAR OUR MASKS.  Get vaccinated if possible and educate yourself on the effects of having COVID and the ways to prevent it.  Also consider taking a few supplements, the most important of which are Quercetin,  vitamin C (Camu Camu) and vitamin D3 (best from direct sunlight.)  

Quercetin is known as an antioxidant powerhouse that takes down free radicals.  It is also known for it’s anti-allergic properties.  In other words, it has been shown to stimulate the immune system, act as an antiviral, and inhibit histamine release.

All of these are important for ameliorating the effects of COVID, irrespective of which form you may have. 

Quercetin has also been shown to block cytokines.  Given that one of the more frightening symptoms of COVID is the “cytokine storm” this is also a very good thing.  Finally, it has been shown to be effective in treating late-phase and late-late-phase bronchial asthma, allergic rhinitis and restricted anaphylactic reactions (to peanuts), all of which may occur with COVID.

Why Do Some People Get Very Sick From COVID-19 While Others Do Not?

One of the most perplexing aspects of coronavirus is why it strikes people so differently. Why do some people sail through without a symptom, while others — even some who are otherwise healthy and relatively young — get extremely sick or even die? It may have to do with interferons.

New research suggests that up to 14% of people who develop severe COVID-19 have an inadequate interferon response. Guess what helps? According to some research, it is Quercetin that helps. [1]

Quercetin, Interferons and COVID-19

Until recently, Ebola virus (EBOV) was among the most devastating pathogens causing fatal hemorrhagic fever in humans. The Ebola epidemics from 2013 to 2016 resulted in more than 11,000 deaths.  Today we have COVID-19 stepping in to takes it’s place.  To date it has killed more than 160,000 people in the US and counting.  While we have vaccinations that appear to be working well, a backup would be nice for those who cannot be vaccinated because of allergic conditions. 

I have also found that individuals who contracted the virus experienced significant relief and a notable reduction of symptoms when they used a standard dose of Quercetin combined with vitamin C.

When it came to Ebola, Quercetin blocked viral infection by targeting the Ebola virus’s attack on interferons [2]. In a similar fashion, it has been shown to prevent viral entry and reduce the cytopathic effects of many viruses, including rhinovirus and poliovirus. In a 2016 animal study [3], rodents administered quercetin before being exposed to a lethal load of Ebola virus survived.

Fast forward to 2021, and COVID-19 which has been associated with high levels of interleukin-6, depleted levels of interferons, and a cytokine storm that damages the body and is related to respiratory failure and we find a new use for Quercetin according to Ruben Colunga Biancatelli, MD, of Old Dominion University in Norfolk, Virginia, and first author of a paper on quercetin and vitamin C as a potential therapy for treating SARS-CoV-2 in Frontiers in Immunology. [4]

The findings of this study were as follows: “Quercetin displays a broad range of antiviral properties which can interfere at multiple steps of pathogen virulence -virus entry, virus replication, protein assembly- and that these therapeutic effects can be augmented by the co-administration of vitamin C. Furthermore, due to their lack of severe side effects and low-costs, we strongly suggest the combined administration of these two compounds for both the prophylaxis and the early treatment of respiratory tract infections, especially including COVID-19 patients.”

According to this researcher, the vitamin C should be administered with quercetin because it can recycle oxidized quercetin, producing a synergistic effect and enhancing quercetin’s antiviral capability.  

Vitamin D3 and COVID-19 Among Black People

Another reason that some people are more at risk compared to others may be skin color. In  a large single-center observational study published late last week in JAMA Network Open, University of Chicago researchers retrospectively assessed electronic health records of patients who had a vitamin D test in the year before testing for COVID-19 from Mar 3 to Apr 10, 2020 (excluding those who were treated for low vitamin D levels in the 2 weeks before coronavirus testing.)

Of the 4,638 patients, the risk of a positive coronavirus test result in Black patients was 2.64 times greater if they had a vitamin D level of 30 to 39.9 nanograms per milliliter (ng/mL) than if they had concentrations of 40 ng/mL or greater. And the odds of infection dropped by 5% for every 1 ng/mL increase in patients with a vitamin D level of at least 30 ng/mL, the concentration generally considered sufficient. Similar associations were not found for White patients.

Among the 4,638 patients, 27% were deficient in vitamin D (less than 20 ng/mL), 27% had insufficient levels (20 to less than 30 ng/mL), 22% had concentrations of 30 to less than 40 ng/mL, and 24% had levels greater than 40 ng/mL.  Black patients tended to have lower vitamin D levels than their White peers (36% vs 16% at 20 ng/mL) which is likely due to the difference in skin melanin. The point is that Black Americans may be much more at risk for COVID as a function of lower vitamin D3 levels, which is the D we get from being in the sun. 

I believe the best way to get Vitamin D3 is to be out in the sun long enough to pink your skin. Read More HERE

What You Can Do

  1. Support your interferons by taking Quercetin prophylactically.
  2. Support your vitamin D3 levels by getting sun on your skin for 15-20 minutes or long enough to pink your skin. (In the winter I recommend a Sperti Vitamin D Lamp)
  3. If you get COVID, irrespective of whether it is RESP-COVID, NEURO-COVID, or GI-COVID see a doctor immediately and take your Quercetin. I have found that in patients taking the supplement, their symptoms improved almost immediately. 
  4. Find a good source of vitamin C to accompany the Quercetin. I recommend Kakadu Plum or Camu Camu.
  5. Wear your mask and continue to socially distance until national guidelines say otherwise.
  6. Educate yourself and your loved ones. Do the research yourself, stay informed. 
  7. Resist the temptation to politicize this issue.  COVID-19 does not care who you are or what your political beliefs are.  For COVID, you are just a host.



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