Candidiasis, Albicans, Vagina, Lactobacillus. Root Cause of Disease Fungal Infection: Candidiasis is a fungal infection caused by yeast (a type of fungus) called Candida. Some species of Candida can cause disease in people; the most common is Candida albicans. Candida usually lives on the skin and inside the body, such as the mouth, throat, gut,…