Faecal Strep vs. Enterococci

agy lee agyleesy at hotmail.com
Sat Nov 29 19:23:07 EST 2003


I have two questions that require some advice:

1. Are these these bacteria the same or are they completely different?
Under the new WHO guidelines for recreational water quality it says that 
these two are interchangeable, so I'm a bit confused as I thought they were 
different. So, if a guideline refers to enterococci does it imply FStrep as 
well?

2. I'm looking at the APHA Standard methods and there are two different 
methods for testing for FStrep and Enterococci.  However, in the 
verification stage it says that colonies can be tested for growth on NaCl to 
test for Enterococci.  Does this mean that i can test for Enterococci 
following the FStrep procedure and base my Enterococci counts on this?

Thank you for your assistance.

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