The article recommends higher Vitamin D intake between the Fall Equinox and Spring Equinox for those living north of 37° North Latitude (which is about 60% of the continental USA, all of Canada and most of Europe). No wonder COVID cases are spiking in Europe, too.
Logic and reason supported by science about vitamin D.
Good thing Fauci is on television 5 times a day advising people to take vitamin D!
/s