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The H1N1 virus is no longer dominant
Influenza activity remains low in Spain since he started the year with values of pre-epidemic periods, and influenza A has ceased to be the most prevalent as only one of every four cases of influenza (25%) is related with the H1N1 virus, according to recent data from the National Epidemiological Surveillance Network of the Instituto de Salud Carlos III for the week of 31 January to 6 February.
Europa Press
,MADRID | 4 minutes ago
These data show a progressive decrease in the intensity of influenza and in particular of the virus causing the pandemic because a few months ago - when it became the highest peaks of cases, up to 372 per 100,000 inhabitants - the H1N1 caused between 90 and 99 per cent of all cases recorded in Spain.
According viral detections performed on sentinel networks and external investigations, together with the pandemic virus has been other subtypes of influenza A more common as AH1, AH3 and AH3N2, and other influenza virus B and C, the latter sentinel samples from Catalonia.
Similarly, the rate of infection is now much lower than the baseline established threshold, with only 18.96 cases per 100,000 population and a sporadic movement of the virus, this time in Asturias.
The most affected community in the last week has been Catalonia, with 55.37 infections per 100,000 population, followed by the Asturian Principality (34.13), Andalusia (27.43), Canary Islands (24.85), Castilla-La Mancha ( 24.35) and Extremadura (20.81).
Already below the national average in most communities are remaining from Melilla (16.46 cases per 100,000 population), Navarra (12.62), Basque Country (12.4), Baleares (10.58), Aragon ( 10.35), La Rioja (8.71), Cantabria (7.54), Valencia (6.54), Madrid (5.45), Castilla y Le?n (4.18). In Galicia, Murcia and Ceuta unspecified data this week.
Moreover, the influenza incidence is stable in all age groups, say the authors of the report.