I believe this guy.
Yes! Dr Cole’s expertise is outstanding.
Thank you for this link. I watched a video, of his presentation, the other day....and, had to screen grab the graphics....the ones, at your articles link, look similar to the ones I grabbed.
Amazing how he explains that there is no ‘flu season’....only low Vit D season.
And, that if one has a Vit D level of 50 ng/ml (range 20 - 100), one cannot develop a cytokine storm....which is what kills, with Covid/China Virus.