Acute respiratory infections continue to decrease in Valencian communityInfections in primary care (IRA) and hospitals (SARI), according to the fourth week of the year report released by the State Surveillance System for Acute Respiratory Infections (Sivira). The last week of January, from January 22nd to 28th, Acute respiratory infections detected in health centers drop by nearly 20% Compared with the previous week, there were 829.7 cases per 100,000 inhabitants. The highest peak was reached in the last week of 2023, with 1,501.4 cases per 100,000 people, In the first four weeks of this year, the incidence of acute respiratory infections fell by nearly 45%.
However, despite the decline in acute respiratory infections (ARI) caused by influenza, covid 19 and RSV, For the sixth week in a row, Valencia is the third autonomous region with the worst respiratory infections per 100,000 inhabitants. Respiratory syncytial virus, RSV, also known as respiratory syncytial virus, is a common viral illness that usually causes mild cold-like symptoms but can cause serious lung infections, especially in infants.
Silvera also emphasized Observed decrease in motivation influenzacovid 19 and RSV ARI and SARI cases in all healthcare areas. In the fourth week of 2024, he noted, “Influenza activity continues to decline in Spain and all autonomous communities”. “Hospitalizations due to Covid 19 and RSV infections consolidate the downward trend across all age groups.”
Acute respiratory infections (ARI) in primary care
The global number of country-level cases fell to 587.3 cases per 100,000 inhabitants (compared to 722.1 cases in the previous week), a decrease of almost 19%. This decrease was observed across all autonomy levels. The community of Valencia is the ninth community with the lowest incidence rate, with a 19.8% lower incidence rate. The largest decrease was in Extremadura, which fell by 36.7%; the smallest decrease was in the Balearic Islands, which fell by only 4.3%.
By age group, at the state level, The highest incidence of ARI in primary care is among children under 1 year of age. (3,102 cases/100,000 hours), followed by the 1-4 year old group (2,145.3 cases/100,000 hours). Influenza syndrome rates fell for the third consecutive week. Rates of bronchiolitis and COVID-19 have declined since the first week of the year.
Flu positivity rate drops to 23.7% this week The number of samples analyzed was 28.5% higher than the previous week. SARS-CoV-2 also declined (6.3% vs 8.3% the previous week). VRS showed a stable trend at 7.5% (previous week: 7.3%). Since the start of the season, more than 13,861 ARI samples have been analyzed in Spain to diagnose influenza, including 13,915 SARS-CoV-2 samples and 13,828 RSV samples, with positivity rates of 17.1%, 11.8% and 8.1% respectively. In Valencian communities, influenza positivity rates are lower than at the state level, The proportion of samples analyzed is 10.8%, the lowest in Spain. However, Covid cases (11.9% of the sample) are slightly above the state average, while RSV cases (6.9% of the sample) are more than 1 percentage point below the state average.
Nosocomial Severe Acute Respiratory Infection (SARI)
In the case of hOverall rate of hospitalization for severe respiratory infections (SARI) in Spain drops to 16.4 cases/100,000 hours (23.7 cases last week). By age group, the highest hospitalization rate this week was among adults aged 80 and above (1.074 cases/100,000 hours), followed by children under 1 year old (86.4 cases/100,000 hours).
in this case Comunitat Valenciana, hospitalization rate for severe respiratory infections in the fourth week of 2024 was below the state average, with 15.7 cases per 100,000 inhabitantsexist Spain fifth lowest. Valencia hospitals experienced the highest peak of SARI hospitalizations in the first week of 2024, with 45.3 cases/100,000 inhabitants. so, Within three weeks, hospitalizations dropped by nearly two-thirds.
The influenza positivity rate for system-screened SARI continued to drop to 22% this week (29.4% the previous week). For SARS-CoV-2 and RSV, fluctuations of 8.8% (7.8% the previous week) and 9.4% (12.1% the previous week) were observed. Since the start of the season, more than 6,307 SARI samples have been analyzed in Spain to diagnose influenza, including 6,532 SARS-CoV-2 samples and 6,118 RSV samples, with influenza positivity rates of 21.2%, 12% and 14.4% respectively. -CoV-2 and RSV, respectively.andIn Valencia hospitals, the influenza positivity rate is similar to the state average (21.1%), The coronavirus infection rate is nearly three percentage points higher (14.9%), while the respiratory syncytial virus infection rate is lower (11.8%).
Influenza incidence rates decline for fourth consecutive week
Incidence of influenza in primary care at national level After peaking activity in the final week of 2023, it fell for the fourth consecutive week by cThis is a high level of intensity compared to previous seasons. Influenza activity decreases in all autonomous regions and was observed in all age groups.
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In this sense, Flu hospitalization rates drop for third straight week The number dropped to 3.6 cases per 100,000 hours (compared to 6.9 cases in the previous week). Influenza hospitalization rates have declined across all age groups, with the highest rates among patients aged 80 or older.
In terms of severity, since the start of the season, 36.2% of cases hospitalized with influenza had pneumonia, 5.6% were admitted to ICU, and the mortality rate was 6.4%. Case fatality rates for influenza hospitalizations are higher than last season.
Covid 19 cases drop for three consecutive weeks
Covid 19 incidence rates in Spanish primary care fall for third consecutive week The incidence rate is highest among children under 1 year of age. Hospitalization rate for Covid 19: 1.4 cases/100,000 hours (1.8 cases the previous week), showing a downward trend. COVID-19 hospitalizations fell across all age groups except children under one, with a hospitalization rate of 18.2. In terms of severity, since the start of the season, 32.5% of cases hospitalized with COVID-19 developed pneumoniaICU admissions were 3.8%, and mortality was 8.3%, similar ranges to previous quarters.
Respiratory syncytial virus (RSV) incidence decreases
Prevalence of RSV infection in primary care Downward fluctuation (except for children under 4 years old) (<1 year: 738.6 cases vs. 524.2 cases/100,000 hours; 1-4 years: 420.6 cases vs. 213.8 cases/100,000 hours). In hospitals, hospitalizations due to RSV infection fell to 2 per 100,000 hours (from 2.2 the previous week). Reductions in the number of the bronchiolitis-causing virus were observed in all age groups except those aged 1 to 4 years (5.8 vs. 3.6 cases/100,000 hours). In terms of severity, since the start of the season, 20.8% of cases hospitalized with RSV infection had pneumoniaan ICU admission rate of 10.8% and a mortality rate of 2.7%, similar ranges to previous quarters.
More than 15,000 babies vaccinated against bronchiolitis in first month of campaign
Results from the MoMo system show that at the state level, since the first week of 2024, It was observed that the death toll from various causes was over 3,951.