Please don’t hesitate to call Bio-Remediation of Virginia if you have any concerns or questions about mold. We are here to solve your mold and moisture issues safely and effectively. Some molds are more allergenic than others. These mold allergens can cause upper respiratory problems such as runny nose, sore throat, coughing, headaches, nausea etc. Most people have heard of BLACK MOLD. This is a general term that describes the color of what people see. There are over 400,000 thousand different species, and they are finding new ones every day. Most of the time, black mold is a combination of several types of mold.