(ANSA) – ROME, 03 DEC – After a racing start, the flu season seems to stabilize. The InfluNet epidemiological surveillance of the Istituto Superiore di Sanità last week recorded just over 280,000 new cases of flu-like syndromes, with an incidence comparable to that of last week. There was also a slight decline in new cases in children under the age of 4, who, however, remain the most affected group. Total cases have now reached 1,325,000.
The data coming from the monitoring of the 47th week of 2021 confirm the trends that emerged in the previous weeks. Against an average incidence of 4.76 cases per thousand assisted, children between 0 and 4 years remain the most affected, with an incidence equal to 21.05 cases per thousand, in the age group 5-14 years. incidence drops to 5.68 cases per thousand, in those 15-64 years it reaches 4.02 per thousand, while among the over 65s there are 2.29 cases per thousand assisted.
The Istituto Superiore di Sanità underlines that most of the reported cases of flu-like syndrome are attributable to other respiratory viruses other than influenza, including above all the respiratory syncytial virus in children under one year of age. Aspect confirmed by virological surveillance: of the 589 clinical samples of suspected influenza analyzed by the various laboratories belonging to the InfluNet network, only 5 (0.8%) were positive for influenza, all of type A (3 of subtype H3N2 and 2 of subtype H1N1pdm09).
Despite the progressive flattening of the curve, the incidence remains almost double compared to that recorded in the 2019-2020 season, when, in the same week of the year, the incidence was equal to 2.38 cases per thousand.
On a regional scale, Piedmont and Lombardy continue to have the highest incidence rates, above 6 cases per thousand. Four Regions (Val d’Aosta, Campania, Calabria, Sardinia) have not yet activated InfluNet surveillance.
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Source From: Ansa
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