Here is the matching of diseases by the type of pathogen:
- Common cold: Virus
- Strep throat: Bacteria
- Athlete's foot: Fungus
- Flu: Virus
- Pink eye: Bacteria (can also be viral, but usually caused by bacteria)
- Chicken pox: Virus
So the completed matches are:
- Common cold: Virus
- Strep throat: Bacteria
- Athlete's foot: Fungus
- Flu: Virus
- Pink eye: Bacteria
- Chicken pox: Virus