Fungi are interesting organisms that interact with humans in many ways. yeasts are
fungi used in the food industry to produce products such as bread and certain beverages.
some fungi are valuable in medicine. for example, the drug cyclosporine, which is capable
of suppressing the response of the immune system to foreign antigens, and the antibiotic
penicillin are both products from fungi. other fungi are less welcomed by humans.
the irritation of athlete’s foot is caused by a fungus, and a number of allergies are caused
by reproductive spores released by fungi.

explain the difference between an infection caused by a fungus and an allergy caused by a fungus.