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Panton-Valentine leukocidin (PVL) is a two-component cytolytic toxin epidemiologically linked to community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) infections, including serious invasive infections caused by the epidemic clone referred to as strain USA300. Although PVL has long been known to be a S. aureus virulence molecule in(More)
Staphylococcus aureus community-acquired pneumonia is often associated with influenza or an influenza-like syndrome. Morbidity and mortality due to methicillin-resistant S. aureus (MRSA) or influenza and pneumonia, which includes bacterial co-infection, are among the top causes of death by infectious diseases in the United States. We developed a non-lethal(More)
Ventilator-associated pneumonia (VAP) is the most common infection seen in intensive care units (ICUs); it accounts for one-fourth of the infections occurring in critically ill patients and is the reason for half of antibiotic prescriptions in mechanically ventilated patients. In addition to being a financial burden on ICUs, it continues to contribute(More)
Group A Streptococcus (GAS), a human-specific pathogen, is best known for causing pharyngitis ("strep-throat") and necrotizing fasciitis ("flesh-eating disease"). However, the organism is also an uncommon but important cause of community-acquired bronchopneumonia, an infection with an exceptionally high mortality rate. Inasmuch as little is known about the(More)
The goal of this study was to report on the potential utility of cerebrospinal fluid (CSF) Coccidioides antigen testing in the diagnosis and management of Coccidioides meningitis. We retrospectively reviewed medical records of seven patients with Coccidioides meningitis who had Coccidioides antigen tests performed on CSF. In two severely immunocompromised(More)
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