It seems like this was common knowledge in February. I wonder why it has taken all this time for the medical community to figure it out?
It has still never been briefed by the national task nor addressed by the CDC
Every nursing home, every school and college, every work place should be using Vit D3 augmentation or educating the public on self-prophylaxis
And we have known about this since the Spanish flu pandemic of 1918
In one recent study I read, every covid patient who ended up in the ICU was Vit D deficient. Every. Single. One.