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)
Callan is an English and German name of Irish Gaelic and Germanic origin. From Germanic roots, its meaning is chatter. Callan is a variant of the name Cale (English). Calan, Callen, Callin, Callon, Callyn, and Kallen (English) are variants of Callan. Callan is somewhat popular as a baby name for boys.