"Mild rash" refers to a skin irritation or outbreak that is not severe or intense, causing only a slight discomfort or redness on the skin. Full definition
In this study, all 20 placebo recipients developed viremia, 16 (80 percent) developed mild rash and 4 (20 percent) had a temporary drop in white blood cell count following challenge with the virus. (sciencedaily.com)
In addition, people who had used contaminated water for bathing or laundry appeared to experience more skin problems, ranging from mild rashes to severe and lasting eczema and malignant skin cancers. (businessinsider.com)