Influenza and coronavirus rates fall again in Basque Country, but bronchiolitis and respiratory syncytial virus increase

Influenza and coronavirus rates fall again in Basque Country, but bronchiolitis and respiratory syncytial virus increaseMiguel Toner

Osakidza Registered again this week Reduce the spread of influenza viruses and the incidence of covid-19although there is already one Respiratory syncytial virus testing rebounds (RSV) and diagnostics Bronchiolitis.

The latest Osakidetza acute respiratory infection (ARI) surveillance report, covering the period January 21 to February 4, shows the ARI rate in the primary care network was 468.2 cases per 100,000 inhabitants (compared to 516.3 cases per 100,000 inhabitants the previous week ).

After 20 days, masks will no longer be mandatory this Friday

In turn, the incidence of influenza syndrome in primary care continues to fall, while the incidence of bronchiolitis increased this week “within the normal fluctuations following epidemic peaks”, according to the analysis conducted by Osakidetza.

In addition, 51.6% of the 62 surveillance samples sent to the microbiology laboratory have been confirmed, with 6 cases of Covid-19 or SARS-CoV-2 (positive rate 9.7%) and 13 influenza viruses (positive rate 21.0%) detected. and 1 case of influenza virus (positive rate 21.0%). VRS (positive rate 1.6%).

this The incidence of severe acute respiratory infections in the Osakidetza hospital network is 15.2 cases per 100,000 inhabitants (Last week it was 15.9/100,000). This week, 110 SARS-CoV-2, 269 influenza viruses and 69 RSV species have been registered in the Euskadi Microbiological Information System.

Main victims: children

this The ARI rate in primary care this week was 468.2 cases per 100,000 inhabitants (The previous week was 516.3/100,000). In terms of historical territory, Araba has 352.0/100,000, Vizcaya has 486.2/100,000, and Guipuzcoa has 493.3/100,000.

By age group, The highest incidence rates were recorded in the 0 to 4 year old group, with 2,043.7 cases per 100,000 people; followed by people aged 5 to 14 years old, with 865.2 cases per 100,000 people. Compared with the previous week, incidence rates increased again in the 5 to 14 age group and decreased in the remaining age groups.

In turn, the incidence of influenza syndrome in primary care fell again this week to 26.6 cases per 100,000 inhabitants (previous week: 41.1 cases per 100,000 inhabitants). The incidence of bronchiolitis (in children under two years of age) increased “within the normal fluctuations after the peak of the epidemic” and reached 256.5 cases per 100,000 inhabitants (previous week: 197.6 cases per 100,000 inhabitants).

Influenza A dominates

The results of the virological analysis of SARI cases in the Osakidetza hospital network show that the positivity rate for influenza viruses has dropped again, to 20.0% (previous week: 23.1%), and that for SARS-CoV-2 has also dropped to 3.4% (previous week: 23.1%). 7.7% for the week). The RSV positivity rate rose to 11.6% (compared to 8.2% the previous week) and the rhinovirus positivity rate was 16.7%.

The report states that this week the Osakidetza Biodiagnostic Network has detected 110 SARS-CoV-2, 269 influenza viruses and 69 RSV. Of 269 influenza viruses detected this week, 186 are “type A” Untyped, 31 “A(H3)”, 51 “A(H1)pdm09” and one “Type B”.

5,533 influenza virus tests have been recorded since week 40 last year, 5,521 (99.8%) ‘Type A’ and 12 (0.2%) ‘Type B’. Of the 1,676 subtype “A” viruses, 333 (19.9%) were “A(H3”) and 1,343 (80.1%) were “A(H1)pdm09”.

So far in the 2023-2024 season, the Microbiology Laboratory of Donosti University Hospital has conducted oseltamivir susceptibility analysis on 181 “AH1p” influenza strains and detected 2 drug-resistant strains (1.1%). The cases involved two women admitted to the hospital, aged 76 and 84, who apparently did not receive oseltamivir.

According to data provided by the Microbiology Service of the Osakidetza Biodiagnostic Network, in January, 19.1% of “SARS-CoV-2” positive samples have been PCR sequenced so far. All were μ micron variants, with the most common lineages being ‘JN.1’ (90.2%), ‘BA.2.86’ (3.9%) and ‘JG.3’. (2.0%).

coronavirus drop

Seven-day cumulative incidence rate of covid-19 among people aged 60 and over in week 5 of this year 11.8 cases per 100,000 inhabitants (26.6/100,000 last week), 10.7 for men and 12.7 for women.

According to data obtained by Osakidza Hospital Situation Indicator, this week there have been 42 people hospitalized with covid-19 in Euskadi (45 the previous week), 18 men and 24 women. 81.0% of admitted patients are over 60 years old

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During the week analyzed in this report, 11 new confirmed cases of covid-19 were reported among nursing home staff (compared to 15 the previous week).There are nine centers affected, four fewer than the previous week