Reducing the spread of disease – Odd one out

The video discusses hay fever, athlete's foot, and chicken pox, highlighting that hay fever is different as it is caused by an allergy to pollen, while athlete's foot and chicken pox are infections caused by microorganisms.

What are the microorganisms that cause chicken pox?

What is the odd one out among hay fever, athlete's foot, and chicken pox?

What type of infection is athlete's foot?

What is hay fever caused by?

What is the relationship between hay fever and pollen?