i'm sure you have been a victim of or seen someone have a yeast infection or athlete's foot!this happens due to various reasons but the main cause is skin fungi. Fungi usually make their homes in moist areas of the body where skin surfaces meet: between the toes, in the genital area, and under the breasts. Common fungal skin infections are caused by yeasts (such as Candida or Malassezia furfur) or dermatophytes, such as Epidermophyton,Microsporum, and Trichophyton.

to reduce being a victim here are few instructions you need to follow.