Nasal colonization and lower respiratory tract infections with methicillin-resistant Staphylococcus aureus.

BACKGROUND Methicillin-resistant Staphylococcus aureus is a cause of lower respiratory tract infections, particularly health care- and ventilator-associated pneumonia. Although many health systems use nasal screening for this microorganism for infection control, correlation between nasal carriage of the organism and development of infections due to it is… (More)