Non-opportunistic bacterial infections are an important cause of morbidity and mortality for HIV-infected adults and children. Factors associated with increased risk of these include altered B- and T-cell function; altered phagocytic cell function; skin and mucous membrane defects; and use of indwelling vascular catheters, antibiotics, or cytotoxic agents. The pathogens encountered most frequently are S. aureus, S. pneumoniae, H. influenzae, Salmonella sp., and Pseudomonas aeruginosa. Less commonly encountered organisms include Rhodococcus equi, Listeria monocytogenes, Shigella sp., and Nocardia asteroides, Strategies for prevention as well as diagnosis and treatment of these are discussed.
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http://dx.doi.org/10.1016/s0025-7125(05)70520-4 | DOI Listing |
Pediatr Emerg Care
February 2025
Professor, Departments of Emergency Medicine and Pediatrics, University of Michigan, Ann Arbor, MI.
The presence of hypothermia among young infants in the emergency department may be a sign of serious or invasive bacterial infections, or invasive herpes simplex viral infection. However, hypothermia may also occur due to a variety of other infectious and noninfectious conditions or environmental exposure. In some settings, hypothermia may represent a protective, energy-conserving response to illness.
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January 2025
Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, USA.
Itch is a dominant symptom in dermatitis, and scratching promotes cutaneous inflammation, thereby worsening disease. However, the mechanisms through which scratching exacerbates inflammation and whether scratching provides benefit to the host are largely unknown. We found that scratching was required for skin inflammation in mouse models dependent on FcεRI-mediated mast cell activation.
View Article and Find Full Text PDFPLoS One
January 2025
College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University Kampala, Kampala, Uganda.
Campylobacteriosis is one of the most commonly reported foodborne diseases and is of particular importance in low-income countries. More data is needed to better understand the epidemiology of Campylobacter spp. in food sold at informal markets, where most people in low-income countries buy their food.
View Article and Find Full Text PDFPLoS Pathog
January 2025
Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America.
Virulent microbes produce proteins that interact with host cell targets to promote pathogenesis. For example, virulent bacterial pathogens have proteins called effectors that are typically enzymes and are secreted into host cells. To detect and respond to the activities of effectors, diverse phyla of host organisms evolved effector-triggered immunity (ETI).
View Article and Find Full Text PDFSex Health
January 2025
Department of General Practice and Primary Care, Melbourne Medical School, University of Melbourne, Carlton, Vic, Australia; and Family Medicine and Primary Care, LKC Medicine, Nanyang Technological University, Singapore, Singapore.
Background Gonorrhoea notification rates in Australia have more than doubled between 2014 and 2019. We explored gonorrhoea testing patterns and management of gonorrhoea infection in general practice. Methods We analysed de-identified electronic medical record data for individuals who attended 73 Australian general practices (72 in the state of Victoria) between January 2018 and December 2020.
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