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Updated: Feb 10, 2026

Capsular Serotyping of Streptococcus pneumoniae Using the Quellung Reaction
Published on: February 24, 2014
Streptococcus pneumoniae as a cause of lactational mastitis: a case report
Sara Vester Hald1, Henrik Carl Schønheyder2,3
1Department of Gynecology and Obstetrics Aalborg University Hospital Aalborg Denmark.
Abstract:
Pneumococci are predominant in respiratory tract infections but may have unusual presentations such as lactational mastitis. We report a 29-year-old breastfeeding woman with pneumococcal mastitis confirmed by positive blood culture and culture of milk. Previously, a few similar cases have been reported, but none was associated with bacteremia.
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