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Clinical Case File Results: Persistent Dysuria

Last week we shared the Clinical Case File of a patient with persistent dysuria and asked our readers to determine the cause of the symptom. Here are the poll results: Adenovirus (4%, 7 Votes) Herpes simplex virus (9%, 21 Votes)…
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Clinical Case File: Persistent Dysuria

Read the case study below and then use your microbiology expertise to determine which pathogen is causing the symptoms. The results will be shared on August 1, 2019. Good luck! Background: Determining which sexually transmitted infection (STI) is causing uncomfortable…
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Tips for Choosing and Using Microorganisms for Education

In 2016, two biologists from Indiana University estimated that there are about a trillion species of bacteria on earth.1 With so many choices, how can a teacher select the best strains for her microbiology class? Below are a few tips…
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Ask a CAP Inspector: How Frequently Should Molecular Targets Be Rotated?

Q: How frequently should I test targets for my molecular multiplex testing assays? A: This is a common question for inspectors, vendors, and laboratorians. Unfortunately, there are no cut-and-dried answers, but there are some best practices that you can apply…
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Dear Stanley: Thermotolerant Strains for Fecal Coliform Testing

Dear Stanley, Do you know of any Escherichia coli and Klebsiella pneumoniae strains that will grow at 44.5°C? I need thermotolerant controls for my fecal coliform test. Angie from Rochester, NY Dear Angie, Microbiologics has a document that can help…
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Growth Promotion Test Quiz

Microbiologics offers four unique QC microorganism products designed specifically for GPT that provide 10-100 CFU per 0.1 ml of hydrated suspension as required by USP guidelines. Learn more. Visit our website for helpful technical documents and instructional videos including a step-by-step tutorial on how…
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8 Antimicrobial Effectiveness Test (AET) Best Practices

What do taking two children, a dog and a cat on a cross-country road trip and performing the Antimicrobial Effectiveness Test (AET) have in common? They both require heaps of planning and an abundance of patience.  So, if the test is…
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Dear Stanley: Investigating False Positive Results

Dear Stanley, Lately, our lab has been experiencing PCR results that don’t fit with what is expected. We will see occasional positive results in a negative sample. I think the issue could be related to contamination in the lab, but…
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