These tests detect the presence of disease-causing (pathogenic) Escherichia coli that produce Shiga toxins. E. coli bacteria commonly occur in nature and they are a necessary component of the digestive process in humans and most other mammals.
Dolan [dolan] as a boys' name is pronounced DOH-lan. It is of Irish and Gaelic origin, and the meaning of Dolan is dark; bold; black-haired. ASSOCIATED WITH irish, bold (brave)
Variant spellings of the Irish surname Callahan include: Callaghan, Calahan, O'Callahan, O'Callaghan, Kalahan, Kallaghan, Kallahan, O'Kallaghan, Kellaghan, Kelleghan, Kellahan, Kelahan, Ceilahan, Ceilaghan, Callachan, Calachan, Callagan, Calagan, Kelagan, Keelaghan, Kealahan, Kelaghan, Callighan, and others.