1. Streptotrichosis is a rare fungal infection that affects the skin and hair follicles.
链霉菌感染是一种罕见的真菌感染，会影响皮肤和毛囊。

2. The main symptom of streptotrichosis is the development of small, red, itchy bumps on the skin.
链霉菌感染的主要症状是皮肤上出现小的、红色的、痒的丘疹。