If the same protein that attaches itself is common in both coronaviruses, a vaccine target that protein and can work for both. That's what the experts are saying.The issue is this is not SARS, and does not actually behave like SARS, SARS is a respiratory virus, once it damages the lungs, it does not then go on to infect endothelial cells and cause blood clotting and organ damage in the way that COVID-19 does. What this virus does is very different, it does not even have to infect the lungs to kill you due to what it does to your blood vessels.
The Physicians and nurses treating some of the patients at the first nursing home that was known to be infected with COVID-19 in the US, had stated that some of the patients had no respiratory symptoms, but instead had " red eyes" and died in the same day. Although most people have been infected via lungs and thus have lung damage in order for the virus to enter the blood stream, it is not the only means by which it can be spread. If it entered the bloodstream by another method, through an open wound, eyes or through sexual contact, it is possible that they would not have respiratory symptoms at all and still have severe illness. Sadly though , due to how widespread this currently is in hospitals at the moment, even if you did not have it in your lungs prior to being admitted, there is a high probability you would once there due to repeated exposure in the hospital itself.SAR-Cov-2 is probably a vasculotropic RNA virus affecting the blood vessels: Endothelial cell infection and endotheliitis in COVID-19
SAR-Cov-2 is probably a vasculotropic RNA virus affecting the blood vessels: Endothelial cell infection and endotheliitis in COVID-19 Reporter: Aviva Lev-Ari, PhD, RN – Bold face and colors a…pharmaceuticalintelligence.com
You should also understand that people may not have been vitamin D deficient prior to illness and that could also be a result of hypophosphataemia induced by the infection in their lungs. Not everything is as simple as taking vitamin' D in advance. I have seen this in some of my pediatric patients prior to COVID-19, even in those who are otherwise healthy prior, as this can actually occur from hyperventilation alone in otherwise healthy patients. Often, levels will return to normal after resolving dyspnea. I certainly hope people are not out taking too many vitamins they do not know they need thinking it will protect them.
Hypophosphatemia in Emergency Medicine: Practice Essentials, Background, Pathophysiology
Phosphate is the most abundant intracellular anion and is essential for membrane structure, energy storage, and transport in all cells. In particular, phosphate is necessary to produce ATP, which provides energy for nearly all cell functions.emedicine.medscape.com
If Vitamin D isn't important than why have 40% of Stockholm's deaths been from Somalis when they make up 1% of the population? Darker skinned people that live in far northern countries with less sun are very likely to be Vitamin D deficient. Having good Vitamin D levels is important to your immune system anyway so why wouldn't you take it if you were deficient in it?