How do you test for E coli? - FindAnyAnswer.com
Laboratory tests can detect the presence of pathogenic E. coli that produce Shiga toxins. How long does it take to test for E coli? The U.S. Centers for Disease Control and Prevention (CDC) recommends that labs do both. Traditional methods of testing for E. coli will take 24-48 hours to produce a presumptive positive result, meaning there's an early sign of E. coli infection.
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