During 1 week (4-10 January 2010), 871 sentinel physicians have posted data on the frequency of influenza-like illness among its clients. The value of ' overall incidence is 1.30 cases per thousand in slight increase compared to that observed nella settimana precedente (1,23 casi per mille assistiti).
Nella fascia di età 0‐4 anni l’incidenza è pari a 2,34 casi per mille assistiti, nella fascia di età 5‐4 anni l’incidenza è pari a 1,55 , nella fascia di età 15‐64 anni è pari a 1,29 e tra gli adulti di età pari a 65 anni e oltre a 0,83 casi per mille assistiti .
La curva epidemica , dopo aver arrestato la sua discesa , accenna ora a una lieve risalita , dopo aver raggiunto il picco nella 46° settimana con a level of incidence equal to 12.88 cases per thousand, a value above the peak reached in many previous seasons, except in the 002-2003 and 2004-2005 (in this last season has been observed ever higher level of incidence achieved over the past ten years). At the time is difficult to predict whether there will be a further increase in the incidence in the coming weeks and only the virological findings will determine what the virus esponsabile of any increase.
The graph shows the overall incidence and age in the current influenza season and the ten previous. The first two age groups (0-4 and 5-14) have been merged since the beginning of the monitoring data was available only in aggregate form.
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