Communicable Diseases · NEET PG Preparation Community Medicine (PSM)
A public health team is investigating an outbreak of acute diarrheal illness in a rural community. Drinking water samples are collected and tested fo…
Practice question from Communicable Diseases (NEET PG Preparation Community Medicine (PSM)), with the correct answer and a step-by-step solution.
easy · MCQ · Q-447E9C
A public health team is investigating an outbreak of acute diarrheal illness in a rural community. Drinking water samples are collected and tested for contamination. Which of the following bacterial species is considered the ideal and standard microbiological indicator organism for fecal contamination of water supplies?
- A.Streptococcus faecalis
- B.Escherichia coliCorrect answer
- C.Clostridium perfringens
- D.Pseudomonas aeruginosa
Solution
Escherichia coli is universally accepted as the primary and most reliable indicator organism for recent fecal contamination of water due to its high abundance in human and animal feces and absence in unpolluted natural environments.
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