Public health officials are not saints. They are common people, like all of us. There is a high chance that HN readers know about the latest news way before "public health officials".
But this isn't "latest" news at this point, these studies have been coming out for awhile now, and given that low/moderate doses of vitamin D are a relatively low risk thing to take, a campaign to educate the public and at least get people to ask their doctors about it could make a big difference to the hospitalization rate.
