10. which person would be the least effective host for a pathogen? an older person a young athlete a smoker a sick person

I'm no biology expert, but I think the least effective would be a young athlete. It's because they are young and athletic, I believe that the body can fight off the pathogen better. As already having an ill host would be great for the pathogen, because the immune system is already working extra hard. A smoker may have other ailments caused by smoking, and a pathogen would make it worse. And old people already have weak immune systems, so I mean

A Young Athlete Because He/She Is Healthily They Take Care Of Themself More Than The Other Candidates

The answer is cjust typing because the minimum is 20 bl bl bl

This is the most closely resembles the model.