Heze, February 20 (Reporter Wang Wenwen) Today, the Dazhong Network reporter learned from the Heze City Center for Disease Control and Prevention that at present, parts of China have entered the high season of H7N9 flu, and Shandong has reported 3 cases of H7N9 flu in January. Most of the source sites are live poultry markets. To this end, Sun Xiuhua, deputy chief physician of the Emergency Management Office of the Center for Disease Control and Prevention of Heze City, reminded the public that they should avoid contact with live poultry or their droppings, especially dead poultry.
It is understood that the H7N9 subtype bird flu virus is a type of influenza A virus. It is an acute infectious disease caused by a subtype of the influenza A virus. It usually infects only birds. Rare cases can infect humans and pigs. , horses, otters and marine mammals.
Sun Xiuhua told the reporter that the H7N9 bird flu virus is a new type of reassortant virus. Its internal gene is from the H9N2 bird flu virus. The incubation period is usually within 7 days. Some diagnosed cases have been in contact with animals or are in an animal environment. Currently, based on past experience and this case epidemiological survey, it is speculated that birds may carry the H7N9 bird flu virus and their feces, feathers, respiratory secretions, etc. Through the respiratory tract, contact and other methods spread to humans.
Human infection with H7N9 avian influenza generally presents with influenza-like symptoms such as fever, cough, and less phlegm, which can be accompanied by headaches, muscle aches, and general malaise. Severe patients with severe pneumonia, most of the body temperature continued above 39 °C, breathing difficulties, may be associated with hemoptysis; rapid progression of acute respiratory distress syndrome.
It is reported that the bird flu virus is generally sensitive to heat and can be inactivated by heating at 65°C for 30 minutes or boiling (100°C) for more than two minutes. Therefore, completely cooked poultry or pork can be eaten. However, bird flu has strong resistance to low temperature and can survive for 1 month in water at 4°C. Therefore, it is necessary to be cautious when eating hotpots with 5 or 6 servings.
Sun Xiuhua suggested that dietary hygiene should be paid attention to at ordinary times, eggshells should be washed with running water when using eggs, and should be fully cooked and heated. H7N9 bird flu is not resistant to the external environment. A high temperature of 100°C can be eliminated in one minute; Half an egg; pay attention to the kitchen hygiene, pay attention to the chopping board to be raw and cooked separately. Wear a mask, whether it is in public places or at home in a confined space. When you want to sneeze or cough, cover your mouth and nose with a tissue or handkerchief to avoid spreading germs through droplets. Develop good hygiene habits, wash your hands frequently, wash your hands with soap and running water immediately after contact with birds or their droppings, and do not touch the eyes, nose and mouth with unclean hands.
In addition, try to avoid contact with birds in the wild. For example, do not go to bird watching gardens, farms, markets or parks; do not feed pigeons or wild birds. Do not underestimate the severity of the flu. The illnesses of bird flu are similar to those of other influenza diseases, such as fever, headache, cough, and sore throat. In some cases, it causes complications and causes death.
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