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Fungal infections, or mycosis, are diseases caused by a fungus (yeast or mold). Fungal infections are most common on your skin or nails, but fungi (plural of fungus) can also cause infections in your mouth, throat, lungs, urinary tract and many other parts of your body.
Invasive candidiasis is a serious fungal infection caused by Candida. The yeast gets into your bloodstream and spreads to other areas, such as your eyes, heart, brain and kidneys. It’s a common healthcare-associated infection and can cause life-threatening complications.
There are millions of fungal species, but only a few hundred of them can make people sick. Fungal infections range from mild to life-threatening. People with weakened immune systems (from illness, age, or medical treatments like steroids) are at higher risk for most fungal infections.
Aspergillosis is an infection caused by a type of mold (fungus). The illnesses resulting from aspergillosis infection usually affect the respiratory system, but their signs and severity vary greatly. The mold that triggers the illnesses, aspergillus, is everywhere — indoors and outdoors.
Globally, hundreds of thousands of people are affected every year with Candida albicans, Aspergillus fumigatus, Cryptococcus neoformans, Pneumocystis jirovecii, endemic dimorphic fungi and Mucormycetes, the most common fungal species causing invasive diseases in humans.
Systemic fungal infections can affect the skin and organs such as the lungs, eyes, liver, and brain and typically occur in immunocompromised hosts (see Opportunistic fungal infections). (See also Antifungal Medications.)
Key points. •. Most systemic fungal infections are caused by opportunistic fungal pathogens in immunocompromised hosts. •. In immunocompetent individuals, invasive disease can occur if exposure is high or infection is caused by primary (endemic) pathogens. •.