[3] There are as many as sixty-six genera and 184 species in the gastrointestinal tract of healthy people.
[3][4][5] Though found to be present on the skin and in the gi tract in healthy individuals, the normal resident mycobiota can become pathogenic in those who are immunocompromised.
[8] In addition hospital-acquired infections by C. albicans have become a cause of major health concerns.
[10][11][12][13][14][5] The best-studied of these are Candida species due to their ability to become pathogenic in immunocompromised and even in healthy hosts.
[13][14][5] Yeasts are also present on the skin, such as Malassezia species, where they consume oils secreted from the sebaceous glands.