A HUM-MOLGEN news item dated November 14, 2007 and titled, A New Virulence Mechanism For MRSA, refers to an article in Nature Medicine with information about strains of methicillin-resistant staphylococcus aureus (MRSA).
The news item reported that the bacteria utilize peptides to kill neutrophils and red blood cells. This is alarming because the former have a vital immunological function while the latter are quite literally the life blood of humanity.