This year, the global dengue fever epidemic continues to be high. Since the summer, Fuzhou has a high temperature and high rainfall. The density of Aedes albopictus in the dengue fever media continues to rise, and local cases of dengue fever have recently appeared in Fuzhou.
Dengue symptoms
The incubation period is 2 to 15 days and the average is about 6 days.
Dengue fever
(1) Most of the onset of fever suddenly, body temperature rapidly above 39 °C, generally lasting 2 to 7 days, more irregular heat type, some cases in the first 3 to 5 days, body temperature dropped to normal, 1st and then increased again. Bimodal heat or saddle heat. In children, the onset is milder and the fever is lower. The onset was accompanied by systemic symptoms such as headache, back pain, muscle and joint pain, eyelid pain, and retrobulbar pain. There may be gastrointestinal symptoms such as hypersensitivity, nausea, vomiting, abdominal pain, poor appetite, diarrhea, and constipation. Face and eye conjunctival hyperemia, flushing of the neck and upper chest. Relatively slow veins may occur during the fever period.
(2) The rash appears on the 2-5th day after onset. The palm, sole, or trunk and abdomen are initially seen and gradually extend to the neck and limbs. Some patients are found on the face and may be rash, measles-like rash, scarlet fever-like rash, or erythematous rash. , Slightly itchy, but also in the heat of the last day or after the heat retreat, in the feet, legs behind the ankle, wrist back, armpits, etc., there is a small ecchymosis, fade within 1 to 3 days, short-lived brown spots, generally with Body temperature subsided at the same time.
(3) bleeding on the 5th to 8th after onset, about half of the cases may have different parts of different degrees of bleeding, such as epistaxis, skin deposition, gastrointestinal bleeding, hemoptysis, hematuria, vaginal bleeding.
(4) Lymph nodes enlargement Lymph nodes can have mild enlargement with mild tenderness.
(5) Others may have hepatomegaly. After the illness, the patient often feels weak, and it usually takes several weeks to fully recover. Severe dengue fever occurred on the 3rd to 5th days of the course of the disease. It presented with headache, nausea, vomiting, and disturbance of consciousness. It presented meningeal encephalitis or some manifestations of gastrointestinal hemorrhage and hemorrhagic shock. This type of disease often develops rapidly due to the condition of the disease and is caused by central respiratory failure and hemorrhagic shock.
2. Dengue hemorrhagic fever
(1) Shock usually occurs on the 2nd to 5th days of the disease course and lasts for 12 to 24 hours. The patient is restless, his limbs are cold, his face is pale, his skin has a pattern, his body temperature drops, her breathing is fast and irregular, his pulse is weak, and his pulse pressure is Sexual shrinkage, blood pressure drop or even undetectable, brain edema can occur during the course of the disease, sometimes coma. If not rescued in time, 4 to 10 hours died.
(2) Hemorrhage and bleeding tend to be severe. There are nosebleeds, a large number of bloody ecchymosis on the skin, hematemesis, hematochezia, hemoptysis, hematuria, vaginal bleeding, and even intracranial hemorrhage.
Dengue fever prevention
1. Specific laboratory tests should be performed as soon as possible to identify light patients. Strengthen frontier health quarantine.
2. Cut off the route of transmission. Anti-mosquito and anti-mosquito are basic measures to prevent this disease. Improve the hygiene environment, eradicate breeding places for Aedes mosquitoes, and clean up stagnant water. Spray mosquito killer to eliminate adult mosquitoes.
3. To improve the population resistance to disease, pay attention to balanced diet nutrition, work and rest, proper exercise, and enhance physical fitness.
4. The vaccine is still in the development and testing stage.
Fuzhou Municipal Center for Disease Control and Prevention reminds that dengue fever is an acute infectious disease caused by Dengue virus. It is mainly transmitted through the bite of Aedes mosquitoes. Symptoms are generally light, and the better, the better, can be controlled. The most effective way to prevent dengue fever is to prevent mosquitoes, eliminate mosquitoes, and eliminate mosquito breeding grounds. Home environment should pay attention to cleanliness, install screens screen doors, water containers should be cleaned or changed regularly. When playing outdoors, wear trousers and apply mosquito repellents on exposed skin and clothing. Put on mosquito nets or take anti-mosquito measures when sleeping. Symptoms such as high fever, muscle and joint pain, or skin rash should be promptly taken to regular hospitals for treatment. If you go to a dengue fever epidemic area, you should tell the doctor about the travel history.
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