As the weather turns cold, people are increasingly at risk of contracting the H7N9 bird flu virus. On the morning of December 26th, the reporter learned from the Hunan Provincial Center for Disease Control and Prevention that, in recent days, several provinces around our province have been infected with H7N9 bird flu one after another. This indicates that human infection with the H7N9 bird flu has entered one. New season. Disease prevention experts said that it is not ruled out that there will be human cases distributed in our province, but the risk of large-scale epidemics is low.
There are many kinds of H7N9 bird flu viruses. Generally, they do not infect humans. Only a few bird flu viruses can infect humans and cause morbidity through racial barriers. They are called "human bird flu".
Deng Zhihong, chief physician of the Department of Prevention and Control of the Hunan Provincial Center for Disease Control and Prevention, said that according to pathological studies, most people are not susceptible to human infection with the H7N9 bird flu virus. Because human infection with H7N9 avian influenza virus does not have the ability to effectively bind to human respiratory epithelial cells and can only occur in very low proportions of people.
According to data from the Provincial Center for Disease Control and Prevention, the virus that infects humans in recent years is mainly H7N9, in addition to H5N1, H5N6, H7N7, H9N2, and H10N8. In poultry, chickens are more susceptible to bird flu than ducks and pigeons, so people should avoid contact with live birds, especially chickens.
Deng Zhihong said that children with low immunity such as children, pregnant women, the elderly, and patients with chronic diseases, as well as workers engaged in poultry breeding, trafficking, sales, slaughter, etc., are easily infected with the H7N9 bird flu virus.
The incubation period of the H7N9 avian influenza virus is 7-10 days, and the common one is two or three days. After infection, the early illness is a high fever, the disease progresses rapidly, and pneumonia will soon appear. The disease will develop to a more severe state in about 6 days.
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How to prevent everyday life?
At present, there is no vaccine against human infection with the H7N9 avian influenza virus at home and abroad. Therefore, prevention work is particularly important. In daily life, we should pay attention to the following matters:
Try to avoid direct contact with live birds, birds or their droppings, especially diseased (dead) birds; if you have contact, wash your hands with soap and water as soon as possible. Children should avoid direct contact with poultry and wild birds. If diseased (dead) poultry and livestock are found, they should not be handled on their own. They should report to the agricultural and forestry departments.
Do not purchase live poultry for slaughter, contact, disease (dead) poultry or meat, and do not purchase fresh, live, frozen poultry and livestock products without quarantine certificates.
Live poultry, meat and eggs must be cooked thoroughly.
Pay attention to food hygiene, in the process of food processing, edible, must be separated from raw and cooked, to avoid cross-contamination, handling poultry, meat, chopping board, knives and containers can not be used for cooked food.
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