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Explore Bacterial Diseases, Viruses and more! - EMT/Paramedic NREMT review study and practice tests ONLINE! Home of the National Registry Simulator!

The fight against bacteria that cause strep throat and flesh disease could get help from an HIV drug. Image: National Institute of Allergy and Infectious Diseases

Prion protein, shown in red, can become infectious and cause neurodegenerative disease. Here four nerve cells in a mouse illustrate how infectious prion protein moves within cells along neurites – wire-like connections the nerve cells use for communicating with adjacent cells. Credit: NIAID