on December 18, 2017, Beijing, as the temperature drops, flu into the season, in winter Beijing children’s hospital. For figure/visual China
since the winter of 2017, influenza activity levels rise rapidly in our country, and is still rising. More hospital this and increase in the number of hospitalized patients, patients with severe, diagnosis and treatment pressure. Yesterday, the national health and family planning commission said, is expected to peak flu activity will continue for a period of time, with schools and childcare facilities winter vacation approaching, influenza activity level will gradually decline.
winter flu strength is higher than in previous years
at present, our country is in a high incidence of flu season, since December 2017, one after another into the seasonal flu around the peak. , according to data from 2017-2018 winter report the number of cases is significantly higher than in previous years in the same period, severe cases than usual and obvious increase, medical institutions and treatment pressure.
yesterday, the state development planning commission held a conference to introduce the recent influenza prevention and control work. Its said that influenza activity peak also is expected to last for a period of time.
the Chinese center for disease control and prevention, according to information released yesterday in influenza surveillance sentinel hospital report this influenza-like cases positive proportion and influenza virus detection, are higher than the same period in the past three years, the report of the flu outbreak) was also significantly higher than ever in the same period; Confirmed with severe a rise in the number of cases in hospital.
overall, popular winter flu season activity intensity is higher than in recent years. North and south provinces of our country at present, in the popularity of seasonal flu peak, influenza activity overall level remains at a higher level, and still could remain popular for a period of time.
in addition, most of the region is still in the flu season, but regional differences between popular height and duration of the popular, some areas have been rising prevalence trend signs of slowing. Expects most areas as schools and childcare facilities on holiday, seasonal peak will fall.
Beijing flu activity for the next two weeks to slow
reporter yesterday learned from the Beijing center for disease control and prevention, Beijing has reached epidemic peak, expects flu activity will slow over the next two weeks.
Beijing CDC statistics show that in 2018 the first week, the city’s 144 secondary and above doors, emergency medical institutions cumulative monitoring of influenza-like cases from last week rose 5.76% in 2017, in 2017, up 20.68% from the week before last week, the rise has fallen.
the relevant person in charge of the Beijing center for disease control and prevention said, according to the global influenza surveillance data showed that the various don’t are not obvious variation a flu virus, does not have appeared, the biological basis of pandemic influenza virus infectious unchanged, the propagation force and virulent.
now in influenza-like cases in various age groups, with 0 ~ 4 and 25 ~ 59 years old age group population accounted for the highest. Schools, TuoYouYuanSuo flu focused on fever epidemic report number is decreased obviously.
winter flu why so high?
experts: the flu is caused by comprehensive factors superposition
since the winter of 2017, much of this hospital and increase in the number of hospitalized patients, patients with severe, diagnosis and treatment pressure. China CDC believes that this winter season popular influenza activity intensity is higher than in recent years.
expert analyzes believed that this winter flu is caused by superposition of the comprehensive factors, mainly including: the flu season is winter, winter climate anomalies, the advantage of the popular winter strain Yamagata (b) has not become the dominant strain for many years, lead to people lack of immune barrier, susceptible population increase. Influenza activity is expected to peak will continue for a period of time, with schools and childcare facilities winter vacation approaching, influenza activity level will gradually decline.
national health development planning commission medical hospital authority deputy bureau telephoto fai said, from the clinical symptoms of flu this winter, and the specificity of the previous flu nothing special performance, basic it is high fever, chills, sore muscles, fatigue and other flu symptoms.
she said that there has a different characteristics and normal winter, in addition to the patients with hib infection, also incorporates several subtype of influenza a virus infection, such as influenza a (H3N2, the a (H1N1). Hib relatively more patients, the symptoms comparatively light, and a/h1n1 flu patient quantity is less, but the symptoms may be more heavy. In addition, a small number of flu patients is the mixed infection of influenza a and b, there are some very individual cases, more urgent, the patient is sick become severe flu.
quan-yi wang, director of Beijing CDC infectious disease endemic disease control explanation, Beijing winter flu epidemic has typical seasonal and periodic characteristics. Seasonal refers to before and after the New Year’s day has been a flu epidemic peak, cyclical refers to different years flu epidemic scope, intensity, & other; Popular, is a great year this year, those infected with more than normal. Throughout the &;
at the same time, the popularity of flu also has relationship with natural environment and social environment. Less rainfall in winter, cold, dry climate, but also particularly suitable for flu epidemic.
Beijing, deputy director of the centers for disease control and prevention said pang spark, cold and dry is advantageous for the survival and spread of the virus, and not to rain for a long time it didn’t snow, cause the respiratory system is fragile, easy to infection.