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Fungal infections are infections caused by a fungus, a type of microorganism. Two common causes of fungal infections are a fungus called tinea and yeast infections caused by the fungus Candida albicans. Some very common types of fungal infections caused by tinea include:Athleteâs foot.Jock itch.ungal infections are infections caused by a fungus, a type of microorganism. Two common causes of fungal infections are a fungus called tinea and yeast infections caused by the fungus Candida albicans. Some very common types of fungal infections caused by tinea include:
1 Causative organisms: Dermatophyte fungal infection mainly of two genera Microsporum and Trichophyton. The infection is commonly known as scalp ringworm.  Transmitted by person to person contact, shared use of contaminated objects such as combs or by person to animal contact (usually with a dog or cat).