CDC / SCIENCE PHOTO LIBRARY CDC / SCIENCE PHOTO LIBRARY
Pseudomonas fluorescens bacteria culture. Lab technician holding a Petri dish containing a MacConkey agar medium, which has been inoculated with Gram-negative Klebsiella pneumoniae bacteria. Klebsiella can cause different types of healthcare-associated infections, including pneumonia, bloodstream infections, wound or surgical site infections, and meningitis. They have developed antimicrobial resistance, most recently to the class of antibiotics known as carbapenems. Photographed at the Centers for Disease Control (CDC), USA.
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