The idea of “if you’ve had a wide variety of other colds in a past, maybe you’ll get it worse” actually sounds like a fairly good one! But also, there’s probably some other reason they are getting more and worse illnesses in the first place? Would be hard to separate out the causes.
The idea of “if you’ve had a wide variety of other colds in a past, maybe you’ll get it worse” actually sounds like a fairly good one! But also, there’s probably some other reason they are getting more and worse illnesses in the first place? Would be hard to separate out the causes.