To say the cold doesn't exist during the summer is clearly false. However, the number of infections is massively higher during the winter.
I've read studies on the effect of vitamin D on infection rates by seasons, and although infections happen all year, they are massively higher during the winter.
To say the cold doesn't exist during the summer is clearly false. However, the number of infections is massively higher during the winter.
I've read studies on the effect of vitamin D on infection rates by seasons, and although infections happen all year, they are massively higher during the winter.