There are a ton of confounders there. Most of those countries have younger populations. The outdoor temperature is higher there. They have different economies and population densities.
Or it could be Vitamin D, at least in part. To know the answer somebody has to actually do the science.
Greece is close to the equator and during November we have had the highest rate of deaths among all EU countries. So I doubt this is the only factor in play.
Or it could be Vitamin D, at least in part. To know the answer somebody has to actually do the science.