Respiratory infections rise by 6.5% in Catalonia and influenza is the virus that grows the most

The group of acute respiratory infections (ARI) continue to grow in Catalonia. In the last week they have risen by 6.5% more. The flu is the fastest growing virus, while respiratory syncytial virus (RSV), the virus that causes the bronchiolitis, has already reached its peak. On the other hand, covid-19 shows a slight decrease.

According to the weekly balance of Sistema d’Informació per a la Vigilància de les Infeccions en Catalunya (SIVIC) of this Tuesday, in the week from November 28 to December 4 the incidence of ARI as a whole increased by 6.5% with respect to the previous week, and although it is still in low epidemic levels, with a rate of 907 affected per 100,000 inhabitants compared to 851 in the previous week, is already at very close to the moderate level. In total, 69,654 cases of ARI have been reported compared to 65,402 in the previous week.

Among the respiratory viruses circulating at this time, the most frequent is now the influenza (24.3% of the samples), followed by RSV (16.1%), RSV (16.1%), influenza rhinovirus, which causes the common cold and which topped the list last week (15.4%), and the SARS-Cov-2 (13,3%).

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According to this weekly balance, the incidence of influenza increases “dramatically”, that of RSV has predictably begun the first decline of the epidemic peak and the incidence of rhinovirus and covid are in “slight decline”.

The overall weekly rate estimate for covid-19 is 121 vs. 139 the previous week and the variant omicron accounts for almost 100%. of the sequential samples, with predominance of the BQ.1 subvariant.

Increases the number of people admitted with covid in conventional beds, as there are currently 900, which is 139 more than the previous week. Eighty-two percent of these admissions are of people over 60 years of age. The admissions to the icu remained virtually stable: 29 versus 28 last week.

Influenza on the rise

The estimated incidence of influenza continues to rise, from 139 cases per 100,000 population to 220 (184-257), exceeding the baseline epidemic level, and the increase is recorded at all ages.

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The calculated rate of bronchiolitis remains high, although decreasing (from 23 to 20 affected per 100,000 inhabitants), still remaining above the very high epidemic level.

The decline is also observed in the children under one year of age, where the incidence is still very high (2,016 per 100,000 inhabitants compared to 2,244 the previous week).

Overall, the rate in under 4 years of age is also very high, going from 564 to 481 affected per 100,000 inhabitants, and the healthcare impact continues to be important in the field of pediatrics.

The coverage of the vaccination against covid-19 continues to increase, reaching 74% in the over 80 years of age, and 51% if all persons aged 60 and over are counted.

The flu vaccination coverage is very similar: 69% in those over 80 years of age and 49% in all age groups. persons aged 60 and over.

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