Same here in the UK (and baby formula even has to have Vit D (among a big list of other things) in it) with advice to leave babies by windows and go for walks t

Same here in the UK (and baby formula even has to have Vit D (among a big list of other things) in it) with advice to leave babies by windows and go for walks to avoid jaundice etc, but we're still seeing terrible rates of infection.