Meet a bacterium and two fungi. Learn why presence, overgrowth, and infection are different ideas.
Staph can be found on skin and in the nose without causing infection. Read when its context changes.
Often carried without harm; infections can become serious.
Candida can live on body surfaces; symptoms arise in particular overgrowth or infection settings.
A budding yeast that can live on mucosal surfaces and can also cause candidiasis.
Compare this human-associated skin and nail fungus with the Candida yeast. Where does the source describe T. rubrum infection?
A human-associated dermatophyte that commonly causes skin and nail infections.
Which bacterium can be carried on skin or in the nose without causing harm?
Answer: Staphylococcus aureus
Option: Candida albicans
Option: Trichophyton rubrum
CDC says S. aureus is commonly carried on skin and in the nose; carriage does not itself mean infection.
Despite its name, what causes ringworm?
Option: A parasitic worm
Answer: Fungi
Option: Staphylococcus aureus
CDC identifies ringworm as a fungal infection of skin, scalp, or nails. The name does not indicate a worm.