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Unusual outbreak of influenza in the spring retreats
By Ricardo Bustos / The Nation
Metropolitan Seremi epidemiologist and give the keys of unusual extension of the period of further spread of respiratory infections are most severely affected children under 4 years and older than 60. The seasonal flu (H3N2) is the most massive and dangerous with 14 deaths, displacing the pandemic (H1N1) with 13 deaths and type B, with two deaths in 2010.
Tuesday September 28, 2010 | Country
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30 days until the virus can incubate the flu, so someone who got in early September may show the disease these days, said Jorge Szot.
Mario Ruiz
The unusual late respiratory disease outbreak has begun to stabilize at the national level, but still increasing in the regions of Maule and Antofagasta, said the Ministry of Health epidemiologist, Viviana Sotomayor, who claims that the presence of influenzas debiesen decrease from "one or two weeks", but warned that prevention measures must be maintained throughout the year, as in summer are several cases, especially "people who travel to other countries."
Unlike last year, where as many respiratory symptoms occurred in July this year the increase in the attention he shot from 15 August, according to the latest report entered Minsal, September 18, surpassing the early spring, a situation not seen since 2002, according to Sotomayor.
Seasonal influenza (H3N2) took first place this year as a source of infections and deaths, with 14 deaths, displacing the pandemic (H1N1) that records 13 deaths and type B which has caused two deaths.
Those most affected by acute respiratory infections are among children under 4 years and adults over 60, who have scored 154 cases and 158, respectively, of a total of 560.
The Health Ministry's epidemiology report, states that in 58 percent of severe ARI cases there is a history of a disease base, such as diabetes, smoking among adults and immunological problems in children.
As for the detection of pathogens, seasonal influenza has maintained its growth, reaching 16.2 percent of all viruses, influenza B equated to 16%, while the pandemic has declined to represent only 1.4% viral infections. The syncytial keeps being very massive, with 25.2 percent of the infections, but tends to decline and we must remember that this agent is dangerous only for infants under two years.
Sotomayor responsible for the backwardness of the influenza outbreak of cold mainly in July and August.
It matches the Metropolitan SEREMI, Jorge Szot, who asserts that "the cold caused the respiratory epithelium was not able to react and minimal stimulation infection occurs."
In this regard, states that "the flu may have an incubation period of up to 30 days", so it is not uncommon for someone who got in early September revealed the disease in those days.
Szot, said that the delay affects the outbreak that "the viruses compete for the airways of healthy people" and that this year "when the low winter and decreases circulation of pandemic virus (H1N1), H2N3 fire, which is the seasonal flu every year, which normally should have increased in late June and was delayed in late August or early September, "a sort of competition between these pathogens