I’ll Have Pasteurized Milk, Please

Recently officials determined the cause of death of a young mother in Las Vegas: tuberculosis. The family Mycobacteriaceae contains several pathogenic species, including the most famous, M. tuberculosis. While none of the articles I read mention the species, they do mention the patient consumed unpasteurized dairy products, which leads me to believe she died of the zoonotic organism M. bovis.

Since these organisms are recovered infrequently, clinical microbiologists should brush up on the basics of these organisms on occasion. The CDC has some general information on Tuberculosis; the illustrious contributors at Wikipedia go a bit more in depth. The best sources for information are reference textbooks such as the Manual of Microbiology. It’s important to remember that mycobacteria can infect any region of the body, not just the respiratory system, so it’s important to keep an open mind. It’s also helpful to know that some species are rapid growers and may present on blood agar in a routine culture.

-Kelly Swails

 

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