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China - Shanghai - Flu cases on the rise - Mainly H3N2 with no significant strain variation according to CDC

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  • China - Shanghai - Flu cases on the rise - Mainly H3N2 with no significant strain variation according to CDC

    Translation Google

    Are family repeated colds flu strikes? Haze flu "accomplice"?

    2014-01-17 15:04:00 Author: Shi Jie Source: People's Daily

    Since recently quite some time, "flu" status quo continued. Especially when many patients repeatedly fever, persistent cough and even constantly, or a person again and again, touring Rotary occurs when cold;-known early last year when the H7N9 again scattered in various provinces and cities to emerge, Shanghai is also reported for several days when people have a new onset; When people treat flu equally ubiquitous ball masks, hope it can "deal with" haze when rare public people started quite worried.

    Shanghai Municipal Center for Disease Control Acute Communicable Disease Control Division director Hu Chia today responded in an interview, said that as of now, the city and the number of reported cases of influenza virus detection positive rate rise to certain extent, but the occurrence of outbreaks. Winter influenza virus strains with fast onset, contagious, spread rapidly influenza H3N2 type based, no significant strain variation. People infected with H7N9 avian influenza is an important source of infection in poultry and their droppings or secretions. There is also no findings reported haze substandard environmental conditions will affect the epidemic of influenza and other respiratory diseases.

    Influenza A H3N2 influenza this winter with the main

    Reporter: winter is high season Shanghai flu, the onset of the current number in recent years compared with an increase or decrease? How trends?

    Hu Chia: At present, the city has entered the respiratory diseases occur in winter and spring period, according to the city's influenza surveillance surveillance data analysis showed that the number of cases of influenza-like city report, the percentage of visits for ILI and virus detection positive rate into the winter since there is a certain amplitude increase, suggesting that has entered the influenza epidemic season. But smooth, controlled the epidemic, has not received reports of influenza outbreaks occurred in schools, preschools and other collective units.

    Reporter: Shanghai flu epidemic is how real-time monitoring? This year's major pandemic virus is which type? It has what characteristics?

    Hu Chia: Shanghai in the city's 17 districts were set up 31 influenza sentinel surveillance hospitals, medical personnel are registered every day come to seek treatment for influenza-like illness reported to CDC information and all levels, while also collecting medical staff ILI patients with various respiratory samples sent to the city's network of influenza laboratories for the detection of the etiology. CDC will be judged in the incidence of influenza city status and trends in a timely manner in accordance with the city's monitoring data analysis and pathology test results.

    Since last October, the city's major influenza pandemic strain of influenza H3N2 type in the main, this virus has a fast onset, contagious, and spread rapidly characteristics. Pathogen detection results show that this year's epidemic strains found no significant variation.

    Shanghai several times since the 20th century flu pandemic

    Reporter: Shanghai is the history of the most serious flu outbreak occurred in what year (or which have had a few)? Generally large outbreaks are cyclical or regular?

    Hu Chia: Influenza is an acute infectious disease common in Shanghai. Since the 20th century, there had been five times the global influenza pandemic, Shanghai were also relate to.

    Such as the 1918 Spanish flu (H1N1 subtype) pandemic, Shanghai is also the onset of many, was called "pain hot" "25 blast" and so on. Shanghai has also appeared in four influenza pandemic, the 1957 Asian flu (H2N2) pandemic in 1968 Hong Kong flu (H3N2) pandemic in 1977, Russia A (H1N1) pandemic (H1N1) and 2009 new type large pop.

    Influenza viruses are grouped into A, B, C-III, influenza A and B greater threat to humans, including frequent antigenic variation of influenza, the greatest threat to mankind. These are caused by influenza pandemic influenza virus virus. Pandemic influenza with a certain periodicity, several years will occur once every influenza pandemic through.

    A reporter: how to distinguish between the common cold and flu viruses? Different groups in the prevention needs to be done on what the basic requirements? Requires a relatively "isolated" it?

    Hu Chia: common cold commonly known as "cold", is the most common respiratory virus infection in acute disease, can occur in any season, mainly by rhinovirus, respiratory syncytial virus, parainfluenza virus, caused by bacterial infection. More acute onset of common cold, nasal congestion, runny nose and other respiratory symptoms, usually no fever and systemic symptoms, a person in a year can be repeated colds.

    Influenza is completely different, unique pathogen influenza virus, it generally occurs in the winter and spring epidemic, is characterized by rapid onset, infectious, high incidence; onset is no incentive not develop the disease several times a year. Influenza is mainly spread through air droplets. Clinical manifestations Jiqi fever, fatigue, muscle aches and other symptoms. The elderly and patients with chronic respiratory disease, heart disease complicated by pneumonia.

    Reporter: flu and common cold "than plenty of water" on the line, or the need for timely medication? Some patients symptoms are persistent, requires repeated visits it?

    Hu Chia: Influenza to active treatment, not only conducive to early recovery, but also to take timely preventive measures to prevent an increase in family members or units of the patient. So when schools, preschools colleagues, students infected with flu-like symptoms should seek immediate medical attention. Hospital by medical personnel diagnose patients or suspected influenza patients should do: First, it is timely to leave work or study units, schools, preschools; follow doctor's orders to take medication, home quarantine; do drink more water during the illness, more rest , bedroom window ventilation to keep the air fresh.

    Infants and the elderly Once infected with the flu virus, manifested signs and symptoms of severe, so stay home for the treatment of infants, pregnant women, the elderly and frail patients should pay attention to the condition of observation and care, prevention of complications. If the symptoms of flu complications should be promptly sent to hospital for treatment.

    Flu haze will become "accomplices" no conclusions elderly and infirm to avoid going out?

    2 Reporter: haze substandard environmental conditions will affect the epidemic of influenza and other respiratory diseases it? Wearing a mask is the best personal control methods do?

    Hu Chia: haze substandard environmental conditions will affect the epidemic of influenza and other respiratory diseases, there are no results were reported. But haze would affect the human respiratory system, upper respiratory tract irritation, symptoms such as runny nose, sneezing and coughing, to have a greater impact on respiratory diseases, will increase the acute and chronic bronchitis and emphysema old respiratory diseases.

    When not in favor of morning and evening fog and haze windows open for ventilation, such as the sun comes out again the best window ventilation to reduce particulate matter into the indoor and outdoor environment. Try to avoid going out, especially the elderly, pregnant women, infants and patients suffering from respiratory and cardiovascular disease; If you go out, you can wear a dust mask professional, or cover their nose with a wet towel; After returning home in time to wash, wash your hands , mouthwash, shower, to reduce skin absorption of harmful substances.

    Prevention of avian influenza in poultry wash their hands less contact

    Reporter: Compared with last year, how this year's H7N9 epidemic? Shanghai targeted control measures it? People how to protect themselves?

    Hu Chia: poultry and their droppings or secretions of human infection with H7N9 avian influenza is an important source of infection. Avian flu can preventable and controllable, the main city to take "timely close the live animal markets, health, agriculture, forestry and animal disease defense sector, to carry out ecological surveys of avian flu, the focus of prevention against occupational exposure" and other control measures. At present, people have been infected with H7N9 avian influenza B infectious diseases into statutory management.

    Prevention of human infection with H7N9 avian influenza, the public can take the following measures: sales of poultry in the formal market to buy poultry and poultry products to minimize unnecessary contact with poultry, especially avoid contact with sick, dead birds; attention to hand hygiene , wash hands, wash hands properly before preparing food, and after, before eating, after using the toilet, handling animals or animal waste, when hands are dirty, wash your hands when you take care of sick family members; attention to respiratory hygiene, cough or playing When sneezing, using surgical masks, paper towels, sleeves, elbows covering the nose and mouth, used tissues as soon as possible after use thrown into the dustbin lid, take hand hygiene measures after contact with respiratory secretions; strengthening exercise, attention nutritional supplements, to ensure adequate sleep and rest, enhance immunity; headache, fever, malaise, muscle aches and other flu-like symptoms should seek immediate medical attention.

    zhttp://sh.xinhuanet.com/2014-01/17/c_133053445_2.htm
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