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Severe Streptococcus equi Subspecies zooepidemicus Outbreak from Unpasteurized Dairy Product Consumption, Italy

2023; Centers for Disease Control and Prevention; Volume: 29; Issue: 5 Linguagem: Inglês

10.3201/eid2905.221338

1080-6059

Serena Bosica, Alexandra Chiaverini, Maria Elisabetta De Angelis, Antonio Petrini, Daniela Averaimo, Michele Martino, Marco Rulli, Maria Antonietta Saletti, Maria Chiara Cantelmi, Francesco R. Ruggeri, Fabrizio Lodi, Paolo Calistri, Francesca Cito, Cesare Cammà, Marco Di Domenico, Antonio Rinaldi, Paolo Fazii, Fabrizio Cedrone, Giuseppe Di Martino, Patrizia Accorsi, Daniela Morelli, Nicola De Luca, Francesco Pomilio, Giustino Parruti, Giovanni Savini,

Microbial infections and disease research

During November 2021-May 2022, we identified 37 clinical cases of Streptococcus equi subspecies zooepidemicus infections in central Italy. Epidemiologic investigations and whole-genome sequencing showed unpasteurized fresh dairy products were the outbreak source. Early diagnosis by using sequencing technology prevented the spread of life-threatening S. equi subsp. zooepidemicus infections.