This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
Not seen in fecal pollution is 
Select and explain. 
A. Staphylococcus, B. Streptococcus, C. E.coli, D. Clostridium perfringens
A: Staphylococcus
Answer: A: Staphylococcus 
Explanation: The primary bacterial indicator recommended for faecal contamination is the coliform group of organisms as a whole (E.Coli)Supplementary indicator organisms are faecal streptococci and sulphite-reducing clostridia.Park 23e pg: 720