We report a rare case of Staphylococcus argenteus bone and joint infection in a 9-year-old boy in France. His finger arthritis was complicated by osteitis 5 weeks later, which resulted in a secondary intervention. This case indicates the virulence of S. argenteus, an emerging pathogen whose clinical effects are poorly described.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6154148PMC
http://dx.doi.org/10.3201/eid2410.180727DOI Listing

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Article Synopsis
  • Staphylococcus argenteus, a newly identified species, was studied to understand its epidemiology and antibiotic resistance from 2020 to 2023 in northern Japan.
  • The study found 210 S. argenteus isolates, with a slight decrease in their prevalence compared to previous years and identified three genotypes, with ST2250 being the most common.
  • Most isolates were susceptible to tested antibiotics, but one genotype showed higher resistance rates and some non-hemolytic isolates were found to have intact hemolysin genes despite not exhibiting hemolysis.
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There is a paucity of data on the clinical course and treatment of . Herein, we describe a successfully treated case of bacteremia. A 76-year-old man with lung adenocarcinoma developed bacteremia caused by penicillin-resistant, oxacillin-susceptible , which was identified through mass spectrometry and gene sequencing.

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(.) is a pathogenic bacterium able to cause several diseases in humans and animals as well as foodborne intoxications. , being phenotypically and genotypically related to , is part of the so-called complex and recently recognized as an emerging pathogen able to cause, like , several diseases both in humans and animals, and foodborne poisoning outbreaks.

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The first report of endocarditis with visualized valve vegetations.

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August 2024

Department of Clinical Sciences Lund, Division of Infection Medicine, Lund University, Lund, Sweden.

was recently defined as a species and has previously often been mistaken for due to the difficulties of conventional laboratory methods to distinguish the two species. The clinical presentation of infections caused by is largely unknown, and its virulence has since the definition of the species been debated. Here we present, to our knowledge, the first case of infective endocarditis due to with valve vegetations visualized on echocardiography.

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