In this week's episode, we continue our series on gram-negative cocci and take a closer look at two of the most important organisms: Neisseria meningitidis and Neisseria gonorrhoeae.

On the Gram stain, they may look the same—but clinically, they represent very different scenarios.

We walk through colonization, transmission, and key virulence factors, and connect them to the infections they cause—from meningitis and invasive disease to mucosal and disseminated gonococcal infections.

We also bring it back to the bench, discussing specimen source, testing approaches like NAAT and culture, and how to think through these organisms in real-world laboratory settings.

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