L'epidemia di influenza è durata 15 settimane questo inverno in Svizzera e, secondo i dati dell'Ufficio federale della sanità pubblica, il numero di casi la scorsa settimana è rimasto al di sotto della soglia epidemica per la prima volta quest'anno.
L'epidemia, iniziata nell'ultima settimana del 2017, ha conosciuto un picco a metà gennaio e uno alla fine dello stesso mese, per poi vedere il numero di casi calare gradualmente.
In Ticino e Grigioni, così come nella Svizzera centrale, vengono ancora segnalati diversi casi della malattia, che si presenta solo sporadicamente nel resto del paese.
ATS/sf
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