Benign classroom strain P. shigelloides swapped accidentally for Neisseria sicca - which was then mistaken for deadly N. meningitidis…all caused by misidentification from atypical carbohydrate fermentation. Not as scary but something similar happened in my undergrad micro lab —> 🧵1/3 #MicroSky
Dr. Katharine DicksonThis may be the biggest mistake I’ve ever heard of anyone making in an undergraduate microbiology laboratory - and it wasn’t the students’ fault. arstechnica.com/health/2026/...