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Delayed exposure to common infections during childhood, have been implied to cause strong immunological response to a single infectious agent that eventually triggers leukemogenesis. The aim of the present study was to investigate whether decreased exposure to infections, as reflected in a more seronegative spectrum to several common infectious agents, is(More)
Staphylococcus aureus is an infrequent cause of community-associated (CA-SA) pneumonia in children. The aim of this study was to evaluate the clinical, epidemiological, microbiological, and molecular characteristics of CA-SA pneumonia among children hospitalized in two large tertiary care referral centers during an 8-year period. Cases of CA-SA pneumonia(More)
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