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Felicia Ruffin

Research Program Leader, Tier 1
Medicine, Infectious Diseases
Box 102359 DUMC, Durham, NC 27710
0207 F Hosp South, Durham, NC 27710

Selected Publications


Combination Therapy Is Not Associated with Decreased Mortality in Infectious Endocarditis: A Systematic Review and Meta-Analysis.

Journal Article Microorganisms · November 2024 Untreated infective endocarditis (IE) is uniformly fatal. The practice of combination antibiotic therapy for IE is recommended by treatment guidelines but largely unsupported by high-quality evidence. This study aimed to assess the efficacy of combination ... Full text Cite

A microbiological and genomic perspective of globally collected Escherichia coli from adults hospitalized with invasive E. coli disease.

Journal Article J Antimicrob Chemother · September 3, 2024 OBJECTIVES: Escherichia coli can cause infections in the urinary tract and in normally sterile body sites leading to invasive E. coli disease (IED), including bacteraemia and sepsis, with older populations at increased risk. We aimed to estimate the theore ... Full text Link to item Cite

Participant Diversity in United States Randomized Controlled Trials of Antibacterials for Staphylococcus aureus Infections, 2000-2021.

Journal Article Clin Infect Dis · July 19, 2024 BACKGROUND: Equitable representation of members from historically marginalized groups is important in clinical trials, which inform standards of care. The goal of this study was to characterize the demographics and proportional subgroup reporting and repre ... Full text Link to item Cite

Persistent Gram-negative Bloodstream Infection Increases the Risk of Recurrent Bloodstream Infection With the Same Species.

Journal Article Clin Infect Dis · June 14, 2024 The association between persistent gram-negative bloodstream infection (GN-BSI), or ongoing positive cultures, and recurrent GN-BSI has not been investigated. Among 992 adults, persistent GN-BSI was associated with increased recurrent GN-BSI with the same ... Full text Link to item Cite

Use of Transcriptional Signatures to Differentiate Pathogen-Specific and Treatment-Specific Host Responses in Patients With Bacterial Bloodstream Infections.

Journal Article J Infect Dis · May 15, 2024 BACKGROUND: Clinical outcomes in bacterial bloodstream infections (BSIs) are influenced by bacterial species, host immunity, and antibiotic therapy. The mechanisms by which such factors influence outcomes are poorly understood. We aimed to identify bacteri ... Full text Link to item Cite

Tensor modeling of MRSA bacteremia cytokine and transcriptional patterns reveals coordinated, outcome-associated immunological programs.

Journal Article PNAS Nexus · May 2024 Methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is a common and life-threatening infection that imposes up to 30% mortality even when appropriate therapy is used. Despite in vitro efficacy determined by minimum inhibitory concentration breakp ... Full text Link to item Cite

Female Sex and Mortality in Patients with Staphylococcus aureus Bacteremia: A Systematic Review and Meta-analysis.

Journal Article JAMA Netw Open · February 5, 2024 IMPORTANCE: Staphylococcus aureus is the leading cause of death due to bacterial bloodstream infection. Female sex has been identified as a risk factor for mortality in S aureus bacteremia (SAB) in some studies, but not in others. OBJECTIVE: To determine w ... Full text Link to item Cite

In-patient evolution of a high-persister Escherichia coli strain with reduced in vivo antibiotic susceptibility.

Journal Article Proc Natl Acad Sci U S A · January 16, 2024 Gram-negative bacterial bloodstream infections (GNB-BSI) are common and frequently lethal. Despite appropriate antibiotic treatment, relapse of GNB-BSI with the same bacterial strain is common and associated with poor clinical outcomes and high healthcare ... Full text Link to item Cite

Mapping the distribution of Lyme disease at a mid-Atlantic site in the United States using electronic health data.

Journal Article PLoS One · 2024 Lyme disease is a spatially heterogeneous tick-borne infection, with approximately 85% of US cases concentrated in the mid-Atlantic and northeastern states. Surveillance for Lyme disease and its causative agent, including public health case reporting and e ... Full text Open Access Link to item Cite

Integrated transcriptomic analysis reveals immune signatures distinguishing persistent versus resolving outcomes in MRSA bacteremia.

Journal Article Front Immunol · 2024 INTRODUCTION: Staphylococcus aureus bacteremia (SAB) is a life-threatening infection particularly involving methicillin-resistant S. aureus (MRSA). In contrast to resolving MRSA bacteremia (RB), persistent MRSA bacteremia (PB) blood cultures remain positiv ... Full text Link to item Cite

Serum susceptibility of Escherichia coli and its association with patient clinical outcomes.

Journal Article PLoS One · 2024 The innate immune system eliminates bloodstream pathogens such as Escherichia coli in part through complement protein deposition and subsequent bacterial death (i.e., "serum killing"). Some E. coli strains have developed mechanisms to resist serum killing, ... Full text Link to item Cite

Risk Factors and Outcomes of Hematogenous Vertebral Osteomyelitis in Patients With Staphylococcus aureus Bacteremia.

Journal Article Clin Infect Dis · November 11, 2023 BACKGROUND: Hematogenous vertebral osteomyelitis (HVOM) is an incompletely understood complication of Staphylococcus aureus bacteremia (SAB). METHODS: Eligible SAB patients with and without HVOM were prospectively enrolled from 1995 through 2019 at Duke Un ... Full text Link to item Cite

Identifying barriers and facilitators to seeking care for symptoms of bacterial sepsis: A qualitative study.

Journal Article Nursing open · November 2023 AimResearch suggests that early access to quality care is essential to improving bacteraemia outcomes and reducing the risk of developing sepsis because it allows for early intervention. Currently, there are limited data regarding the facilitators ... Full text Cite

Priorities and Progress in Gram-positive Bacterial Infection Research by the Antibacterial Resistance Leadership Group: A Narrative Review.

Journal Article Clin Infect Dis · October 16, 2023 The Antibacterial Resistance Leadership Group (ARLG) has prioritized infections caused by gram-positive bacteria as one of its core areas of emphasis. The ARLG Gram-positive Committee has focused on studies responding to 3 main identified research prioriti ... Full text Link to item Cite

Global Differences in the Management of Staphylococcus aureus Bacteremia: No International Standard of Care.

Journal Article Clin Infect Dis · October 13, 2023 BACKGROUND: Despite being the leading cause of mortality from bloodstream infections worldwide, little is known about regional variation in treatment practices for Staphylococcus aureus bacteremia (SAB). The aim of this study was to identify global variati ... Full text Link to item Cite

The association of female sex with management and mortality in patients with Staphylococcus aureus bacteraemia.

Journal Article Clin Microbiol Infect · September 2023 OBJECTIVES: The association of biological female sex with outcome in patients with Staphylococcus aureus bacteraemia remains unresolved. The aim of this study was to determine the independent association of female sex with management and mortality in patie ... Full text Link to item Cite

Escherichia coli ST131 Associated with Increased Mortality in Bloodstream Infections from Urinary Tract Source.

Journal Article J Clin Microbiol · July 20, 2023 Escherichia coli sequence type 131 (ST131) is a globally dominant multidrug-resistant clone, although its clinical impact on patients with bloodstream infection (BSI) is incompletely understood. This study aims to further define the risk factors, clinical ... Full text Link to item Cite

Mapping disease regulatory circuits at cell-type resolution from single-cell multiomics data.

Journal Article Nat Comput Sci · July 2023 Resolving chromatin-remodeling-linked gene expression changes at cell-type resolution is important for understanding disease states. Here we describe MAGICAL (Multiome Accessibility Gene Integration Calling and Looping), a hierarchical Bayesian approach th ... Full text Link to item Cite

Exploration of pre-hospital patient delays in seeking care for symptoms of bacteremia and sepsis: A qualitative study.

Journal Article Nursing open · May 2023 AimWe explored patient pre-hospital delays in seeking care for symptoms of bacteremia and sepsis.DesignA qualitative descriptive study.MethodsIn January 2021, we recruited a convenience sample of four men and six women who were f ... Full text Cite

Black and White Patients With Staphylococcus aureus Bacteremia Have Similar Outcomes but Different Risk Factors.

Journal Article Clin Infect Dis · April 3, 2023 BACKGROUND: Staphylococcus aureus bacteremia (SAB) disproportionately affects Black patients. The reasons for this disparity are unclear. METHODS: We evaluated a prospectively ascertained cohort of patients with SAB from 1995 to 2020. Clinical characterist ... Full text Link to item Cite

Microbial Cell-Free DNA Identifies the Causative Pathogen in Infective Endocarditis and Remains Detectable Longer Than Conventional Blood Culture in Patients with Prior Antibiotic Therapy.

Journal Article Clin Infect Dis · February 8, 2023 BACKGROUND: The diagnosis of infective endocarditis (IE) can be difficult, particularly if blood cultures fail to yield a pathogen. This study evaluates the potential utility of microbial cell-free DNA (mcfDNA) as a tool to identify the microbial etiology ... Full text Link to item Cite

Clinical and Molecular Analyses of Recurrent Gram-Negative Bloodstream Infections.

Journal Article Clin Infect Dis · February 8, 2023 BACKGROUND: The causes and clinical characteristics of recurrent gram-negative bacterial bloodstream infections (GNB-BSI) are poorly understood. METHODS: We used a cohort of patients with GNB-BSI to identify clinical characteristics, microbiology, and risk ... Full text Link to item Cite

Gram-negative bacteremia in solid organ transplant recipients: Clinical characteristics and outcomes as compared to immunocompetent non-transplant recipients.

Journal Article Transpl Infect Dis · December 2022 BACKGROUND: Outcomes from Gram-negative bacteremia (GNB) in solid organ transplant (SOT) recipients are poorly understood. METHODS: This is a single center prospective cohort study comparing the clinical characteristics and outcomes of SOT recipients with ... Full text Link to item Cite

Association of Follow-up Blood Cultures With Mortality in Patients With Gram-Negative Bloodstream Infections: A Systematic Review and Meta-analysis.

Journal Article JAMA Netw Open · September 1, 2022 IMPORTANCE: Obtaining follow-up blood cultures (FUBCs) in patients with Staphylococcus aureus bloodstream infection (BSI) is standard practice, although its utility in patients with gram-negative bacterial BSI (GN-BSI) is unclear. OBJECTIVE: To examine whe ... Full text Link to item Cite

Microbial Cell-Free DNA Identifies Etiology of Bloodstream Infections, Persists Longer Than Conventional Blood Cultures, and Its Duration of Detection Is Associated With Metastatic Infection in Patients With Staphylococcus aureus and Gram-Negative Bacteremia.

Journal Article Clin Infect Dis · June 10, 2022 BACKGROUND: Microbial cell-free DNA (mcfDNA) sequencing of plasma can identify the presence of a pathogen in a host. In this study, we evaluated the duration of pathogen detection by mcfDNA sequencing vs conventional blood culture in patients with bacterem ... Full text Open Access Link to item Cite

Mathematical models to study the biology of pathogens and the infectious diseases they cause.

Journal Article iScience · April 2022 Mathematical models have many applications in infectious diseases: epidemiologists use them to forecast outbreaks and design containment strategies; systems biologists use them to study complex processes sustaining pathogens, from the metabolic networks em ... Full text Cite

Staphylococcus aureus Bacteremia Among Patients Receiving Maintenance Hemodialysis: Trends in Clinical Characteristics and Outcomes.

Journal Article Am J Kidney Dis · March 2022 RATIONALE & OBJECTIVE: Staphylococcus aureus (Saureus) bacteremia (SAB) is associated with morbidity and mortality in patients receiving maintenance hemodialysis (HD). We evaluated changes in clinical and bacterial characteristics, and their associations w ... Full text Open Access Link to item Cite

Patients' Experiences With Staphylococcus aureus and Gram-Negative Bacterial Bloodstream Infections: Results From Cognitive Interviews to Inform Assessment of Health-Related Quality of Life.

Journal Article Open Forum Infect Dis · February 2022 BACKGROUND: We previously conducted a concept elicitation study on the impact of Staphylococcus aureus and gram-negative bacterial bloodstream infections (SAB/GNB) on health-related quality of life (HRQoL) from the patient's perspective and found significa ... Full text Open Access Link to item Cite

Bacterial genotype and clinical outcomes in solid organ transplant recipients with Staphylococcus aureus bacteremia.

Journal Article Transpl Infect Dis · December 2021 INTRODUCTION: Outcomes from Staphylococcus aureus bacteremia (SAB) in solid organ transplant (SOT) recipients are poorly understood. METHODS: This is a prospective cohort study comparing the bacterial genotype and clinical outcomes of SAB among SOT and non ... Full text Link to item Cite

Environmental Correlates of Lyme Disease Emergence in Southwest Virginia, 2005-2014.

Journal Article J Med Entomol · July 16, 2021 Lyme disease is the most common tick-borne disease in North America. Though human infection is mostly transmitted in a limited geography, the range has expanded in recent years. One notable area of recent expansion is in the mountainous region of southwest ... Full text Link to item Cite

Patients' Experiences With Staphylococcus aureus and Gram-negative Bacterial Bloodstream Infections: A Qualitative Descriptive Study and Concept Elicitation Phase To Inform Measurement of Patient-reported Quality of Life.

Journal Article Clin Infect Dis · July 15, 2021 BACKGROUND: Although Staphylococcus aureus and gram-negative bacterial bloodstream infections (SAB/GNB) cause substantial morbidity, little is known regarding patient perceptions' of their impact on quality of life (QOL). Guidance for assessing QOL and dis ... Full text Open Access Link to item Cite

Risk Factors for Recurrent Staphylococcus aureus Bacteremia.

Journal Article Clin Infect Dis · June 1, 2021 BACKGROUND: To understand the clinical, bacterial, and host characteristics associated with recurrent Staphylococcus aureus bacteremia (R-SAB), patients with R-SAB were compared to contemporaneous patients with a single episode of SAB (S-SAB). METHODS: All ... Full text Open Access Link to item Cite

Bacteremia in solid organ transplant recipients as compared to immunocompetent patients: Acute phase cytokines and outcomes in a prospective, matched cohort study.

Journal Article Am J Transplant · June 2021 We undertook a prospective, matched cohort study of patients with Staphylococcus aureus bacteremia (SAB) and gram-negative bacteremia (GNB) to compare the characteristics, outcomes, and chemokine and cytokine response in transplant recipients to immunocomp ... Full text Open Access Link to item Cite

Human DNA methylation signatures differentiate persistent from resolving MRSA bacteremia.

Journal Article Proc Natl Acad Sci U S A · March 9, 2021 Persistent methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is life threatening and occurs in up to 30% of MRSA bacteremia cases despite appropriate antimicrobial therapy. Isolates of MRSA that cause antibiotic-persistent methicillin-resistant ... Full text Link to item Cite

Complement levels in patients with bloodstream infection due to Staphylococcus aureus or Gram-negative bacteria.

Journal Article Eur J Clin Microbiol Infect Dis · November 2020 The complement system is a vital component of the innate immune system, though its role in bacteremia is poorly understood. We present complement levels in Staphylococcus aureus bacteremia (SAB) and Gram-negative bacteremia (GNB) and describe observed asso ... Full text Link to item Cite

Newly Named Klebsiella aerogenes (formerly Enterobacter aerogenes) Is Associated with Poor Clinical Outcomes Relative to Other Enterobacter Species in Patients with Bloodstream Infection.

Journal Article J Clin Microbiol · August 24, 2020 Enterobacter aerogenes was recently renamed Klebsiella aerogenes This study aimed to identify differences in clinical characteristics, outcomes, and bacterial genetics among patients with K. aerogenes versus Enterobacter species bloodstream infections (BSI ... Full text Link to item Cite

Positive follow-up blood cultures identify high mortality risk among patients with Gram-negative bacteraemia.

Journal Article Clin Microbiol Infect · July 2020 OBJECTIVES: The role of follow-up blood cultures (FUBCs) in the management of Gram-negative bacteraemia (GNB) is poorly understood. We aimed to determine the utility of FUBCs in identifying patients with increased mortality risk. METHODS: An observational ... Full text Open Access Link to item Cite

Case Report: Successful Rescue Therapy of Extensively Drug-Resistant Acinetobacter baumannii Osteomyelitis With Cefiderocol.

Journal Article Open Forum Infect Dis · May 2020 Cefiderocol is a novel catechol siderophore cephalosporin antibiotic developed to treat resistant gram-negative infections. We describe its successful use as rescue therapy, combined with surgical debridement, to treat a patient with osteomyelitis due to e ... Full text Link to item Cite

Risk stratification biomarkers for Staphylococcus aureus bacteraemia.

Journal Article Clin Transl Immunology · 2020 OBJECTIVES: To identify risk stratification biomarkers to enrich for the subset of Staphylococcus aureus bacteraemia patients who develop deep-seated tissue infections with high morbidity and mortality to guide clinical trial enrolment and clinical managem ... Full text Link to item Cite

Changing Characteristics of Staphylococcus aureus Bacteremia: Results From a 21-Year, Prospective, Longitudinal Study.

Journal Article Clin Infect Dis · November 13, 2019 BACKGROUND: We conducted a longitudinal study to evaluate changes in the clinical presentation and epidemiology of Staphylococcus aureus bacteremia (SAB) in an academic, US medical center. METHODS: Consecutive patients with monomicrobial SAB were enrolled ... Full text Link to item Cite

Genetic variation of DNA methyltransferase-3A contributes to protection against persistent MRSA bacteremia in patients.

Journal Article Proc Natl Acad Sci U S A · October 1, 2019 The role of the host in development of persistent methicillin-resistant Staphylococcus aureus (MRSA) bacteremia is not well understood. A cohort of prospectively enrolled patients with persistent methicillin-resistant S. aureus bacteremia (PB) and resolvin ... Full text Link to item Cite

A Prognostic Model of Persistent Bacteremia and Mortality in Complicated Staphylococcus aureus Bloodstream Infection.

Journal Article Clin Infect Dis · April 24, 2019 BACKGROUND: Staphylococcus aureus is a leading cause of bacteremia, yet there remains a significant knowledge gap in the identification of relevant biomarkers that predict clinical outcomes. Heterogeneity in the host response to invasive S. aureus infectio ... Full text Link to item Cite

Prognostic Power of Pathogen Cell-Free DNA in Staphylococcus aureus Bacteremia.

Journal Article Open Forum Infect Dis · April 2019 BACKGROUND: Staphylococcus aureus is a leading global cause of bacteremia that can cause invasive tissue infections with high morbidity and mortality despite appropriate antibiotic therapy. Clinicians lack sufficient tools to rapidly identify patients with ... Full text Link to item Cite

Associations of pathogen-specific and host-specific characteristics with disease outcome in patients with Staphylococcus aureus bacteremic pneumonia.

Journal Article Clin Transl Immunology · 2019 OBJECTIVE: To understand the relationships of Staphylococcus aureus (SA) bacteremic pneumonia (SABP) outcome with patient-specific and SA-specific variables. METHODS: We analysed SA bloodstream isolates and matching sera in SABP patients by sequencing SA i ... Full text Link to item Cite

Human genetic variation in GLS2 is associated with development of complicated Staphylococcus aureus bacteremia.

Journal Article PLoS Genet · October 2018 The role of host genetic variation in the development of complicated Staphylococcus aureus bacteremia (SAB) is poorly understood. We used whole exome sequencing (WES) to examine the cumulative effect of coding variants in each gene on risk of complicated S ... Full text Link to item Cite

Results from a 13-Year Prospective Cohort Study Show Increased Mortality Associated with Bloodstream Infections Caused by Pseudomonas aeruginosa Compared to Other Bacteria.

Journal Article Antimicrob Agents Chemother · June 2017 The impact of bacterial species on outcome in bloodstream infections (BSI) is incompletely understood. We evaluated the impact of bacterial species on BSI mortality, with adjustment for patient, bacterial, and treatment factors. From 2002 to 2015, all adul ... Full text Link to item Cite

Increased Costs Associated with Bloodstream Infections Caused by Multidrug-Resistant Gram-Negative Bacteria Are Due Primarily to Patients with Hospital-Acquired Infections.

Journal Article Antimicrob Agents Chemother · March 2017 The clinical and economic impacts of bloodstream infections (BSI) due to multidrug-resistant (MDR) Gram-negative bacteria are incompletely understood. From 2009 to 2015, all adult inpatients with Gram-negative BSI at our institution were prospectively enro ... Full text Open Access Link to item Cite

Evaluating genetic susceptibility to Staphylococcus aureus bacteremia in African Americans using admixture mapping.

Journal Article Genes Immun · March 2017 The incidence of Staphylococcus aureus bacteremia (SAB) is significantly higher in African American (AA) than in European-descended populations. We used admixture mapping (AM) to test the hypothesis that genomic variations with different frequencies in Eur ... Full text Link to item Cite

Geographic Expansion of Lyme Disease in Michigan, 2000-2014.

Journal Article Open Forum Infect Dis · 2017 BACKGROUND: Most Lyme disease cases in the Midwestern United States are reported in Minnesota and Wisconsin. In recent years, however, a widening geographic extent of Lyme disease has been noted with evidence of expansion eastwards into Michigan and neighb ... Full text Open Access Link to item Cite

The Risk of Cardiac Device-Related Infection in Bacteremic Patients Is Species Specific: Results of a 12-Year Prospective Cohort.

Journal Article Open Forum Infect Dis · 2017 BACKGROUND: The species-specific risk of cardiac device-related infection (CDRI) among bacteremic patients is incompletely understood. METHODS: We conducted a prospective cohort study of hospitalized patients from October 2002 to December 2014 with a cardi ... Full text Open Access Link to item Cite

Diagnosis of Capnocytophaga canimorsus Sepsis by Whole-Genome Next-Generation Sequencing.

Journal Article Open Forum Infect Dis · September 2016 We report the case of a 60-year-old man with septic shock due to Capnocytophaga canimorsus that was diagnosed in 24 hours by a novel whole-genome next-generation sequencing assay. This technology shows great promise in identifying fastidious pathogens, and ... Full text Open Access Link to item Cite

Increased in vitro phenol-soluble modulin production is associated with soft tissue infection source in clinical isolates of methicillin-susceptible Staphylococcus aureus.

Journal Article J Infect · March 2016 BACKGROUND: Phenol-soluble modulins (PSM) are amphipathic proteins produced by Staphylococcus aureus that promote virulence, inflammatory response, and biofilm formation. We previously showed that MRSA isolates from soft tissue infection (SSTI) produced si ... Full text Link to item Cite

Application of Whole-Genome Sequencing to an Unusual Outbreak of Invasive Group A Streptococcal Disease.

Journal Article Open Forum Infect Dis · January 2016 Whole-genome analysis was applied to investigate atypical point-source transmission of 2 invasive group A streptococcal (GAS) infections. Isolates were serotype M4, ST39, and genetically indistinguishable. Comparison with MGAS10750 revealed nonsynonymous p ... Full text Open Access Link to item Cite

Geographic Expansion of Lyme Disease in the Southeastern United States, 2000-2014.

Journal Article Open Forum Infect Dis · December 2015 Background.  The majority of Lyme disease cases in the United States are acquired on the east coast between northern Virginia and New England. In recent years the geographic extent of Lyme disease has been expanding, raising the prospect of Lyme disease be ... Full text Open Access Link to item Cite

Poor Positive Predictive Value of Lyme Disease Serologic Testing in an Area of Low Disease Incidence.

Journal Article Clin Infect Dis · November 1, 2015 BACKGROUND: Lyme disease is diagnosed by 2-tiered serologic testing in patients with a compatible clinical illness, but the significance of positive test results in low-prevalence regions has not been investigated. METHODS: We reviewed the medical records ... Full text Open Access Link to item Cite

Characterization of alpha-toxin hla gene variants, alpha-toxin expression levels, and levels of antibody to alpha-toxin in hemodialysis and postsurgical patients with Staphylococcus aureus bacteremia.

Journal Article J Clin Microbiol · January 2015 Alpha-toxin is a major Staphylococcus aureus virulence factor. This study evaluated potential relationships between in vitro alpha-toxin expression of S. aureus bloodstream isolates, anti-alpha-toxin antibody in serum of patients with S. aureus bacteremia ... Full text Link to item Cite

Polymorphisms in Fibronectin Binding Proteins A and B among Staphylococcus aureus Bloodstream Isolates Are Not Associated with Arthroplasty Infection.

Journal Article PLoS One · 2015 BACKGROUND: Nonsynonymous single nucleotide polymorphisms (SNPs) in fibronectin binding protein A (fnbA) of Staphylococcus aureus are associated with cardiac device infections. However, the role of fnbA SNPs in S. aureus arthroplasty infection is unknown. ... Full text Open Access Link to item Cite

Staphylococcus aureus bacteremia at 5 US academic medical centers, 2008-2011: significant geographic variation in community-onset infections.

Journal Article Clin Infect Dis · September 15, 2014 BACKGROUND: The incidence of community-onset (CO) methicillin-resistant Staphylococcus aureus (MRSA) bacteremia rose from the late 1990s through the 2000s. However, hospital-onset (HO) MRSA rates have recently declined in the United States and Europe. METH ... Full text Link to item Cite

A genome-wide association study of variants associated with acquisition of Staphylococcus aureus bacteremia in a healthcare setting.

Journal Article BMC Infect Dis · February 13, 2014 BACKGROUND: Humans vary in their susceptibility to acquiring Staphylococcus aureus infection, and research suggests that there is a genetic basis for this variability. Several recent genome-wide association studies (GWAS) have identified variants that may ... Full text Open Access Link to item Cite

Presence of genes encoding panton-valentine leukocidin is not the primary determinant of outcome in patients with hospital-acquired pneumonia due to Staphylococcus aureus.

Journal Article J Clin Microbiol · March 2012 The impact of Panton-Valentine leukocidin (PVL) on the outcome in Staphylococcus aureus pneumonia is controversial. We genotyped S. aureus isolates from patients with hospital-acquired pneumonia (HAP) enrolled in two registrational multinational clinical t ... Full text Link to item Cite

Panton-Valentine leukocidin is not the primary determinant of outcome for Staphylococcus aureus skin infections: evaluation from the CANVAS studies.

Journal Article PLoS One · 2012 The impact of Panton-Valentine leukocidin (PVL) on the severity of complicated skin and skin structure infections (cSSSI) caused by Staphylococcus aureus is controversial. We evaluated potential associations between clinical outcome and PVL presence in bot ... Full text Open Access Link to item Cite

Transmission of methicillin-resistant Staphylococcus aureus between human and hamster.

Journal Article J Clin Microbiol · April 2011 Transmission of methicillin-resistant Staphylococcus aureus (MRSA) between humans and animals is increasingly recognized. We newly document that the transmission of MRSA between human and hamster is possible. ... Full text Link to item Cite

Transmission of MRSA between companion animals and infected human patients presenting to outpatient medical care facilities.

Journal Article PLoS One · 2011 Methicillin-resistant Staphylococcus aureus (MRSA) is a significant pathogen in both human and veterinary medicine. The importance of companion animals as reservoirs of human infections is currently unknown. The companion animals of 49 MRSA-infected outpat ... Full text Open Access Link to item Cite