According to the incubation period of influenza and the current investigation of H7N9 bird flu cases, the incubation period is generally within 7 days. It usually presents with flu-like symptoms such as fever, cough, and less phlegm, which can be accompanied by headaches, muscle aches and general malaise. Severe disease patients develop rapidly, manifested as severe pneumonia, and most of the body temperature persists above 39°C. Breathing difficulties may occur, which may be accompanied by hemoptysis.
The general symptoms of H7N9 are: fever, cough, less phlegm, headache, muscle soreness, and general malaise.
Symptoms of critically ill patients are: severe pneumonia, body temperature persists above 39°C, dyspnea, may be associated with hemoptysis.
Severe h7n9 patients will rapidly develop acute respiratory distress syndrome, mediastinal emphysema, sepsis, shock, disturbance of consciousness, and acute kidney injury.
Blood routine symptoms in H7N9 patients. The total number of white blood cells is generally not high or reduced, and the total number of leukocytes and lymphocytes decrease, and platelets decrease.
The nucleic acid symptoms in H7N9 patients are: Real-time PCR (or RT-PCR) detection of H7N9 avian influenza virus nucleic acid in patient respiratory specimens (such as nasopharyngeal secretions, oral gargle, tracheal aspirates, or respiratory epithelial cells).
The chest imaging findings of patients with H7N9 showed that there were flaky images in the lungs of patients with pneumonia, multiple glassy lungs in both lungs and lung consolidation, and a small amount of pleural effusion. When ARDS occurs, the lesions are widely distributed.
Experts suggest that in the event of fever, cough and other symptoms of acute respiratory infections, especially those with high fever and difficulty breathing, they should seek medical attention. Maintaining personal hygiene habits such as washing hands, coughing and sneezing to cover your nose and mouth can effectively prevent respiratory infections such as flu. At the same time, it should also avoid touching and eating sick (dead) poultry and livestock.
H7N9 bird flu symptom transmission route
In the transmission route, the disease is transmitted through the respiratory tract and can also be infected through close contact with infected poultry secretions or excretions. Direct contact with the virus can also be infected. There is no clear evidence of human-to-human transmission.
At the same time, there is no clear evidence that humans are susceptible to the H7N9 bird flu virus. The current confirmed cases are all adults. For the high-risk groups, the plan states that at this stage, people mainly engaged in poultry breeding, sales, slaughter, and processing industries, as well as those exposed to birds within one week before the onset of the disease.
How to prevent H7N9 bird flu
1. Domestic birds need to be immunized and not stocked. Does not capture wild birds or direct contact with wild birds
2, not close to the direct contact with the ornamental birds, do not eat raw poultry products (such as eggs), poultry products must be cooked thoroughly
3, cleaning of dead poultry or poultry feces is best to wear sanitary gloves and masks, contact with poultry after disinfectant and water to thoroughly clean hands
4. Purchase poultry products that have food hygiene protection, quarantine, and eat healthy poultry products
5, the refrigerator, knife chopping board, vegetable soup and other raw and cooked foods are strictly separated
6. Strengthen physical exercise, supplement nutrition, and maintain adequate sleep to improve immunity. When the room is ventilated and ventilated, there are sneezing, coughing and other respiratory infections in public places. Use tissues and handkerchiefs to cover your nose and mouth.
7, not credulous, not panic, spread bird flu rumors. If you do not despise the cold, if you experience symptoms of acute respiratory infections such as fever and cough, especially those with high fever and difficulty in breathing, you should seek medical advice promptly.
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