viralandbacterialdiseases.jpg

Methicillin-Resistant Staphylococcus aureus (MRSA) Bacteria

Image by the NIH National Institute of Allergy and Infectious Diseases (NIAID) ©2011 / CC BY 2.0

Scanning electron micrograph of methicillin-resistant Staphylococcus aureus bacteria (yellow, round items) killing and escaping from a human white blood cell.