The main symptom of Japanese encephalitis?

summary

Japanese encephalitis vaccine is an effective measure to prevent Japanese encephalitis. Epidemic Japanese encephalitis (JE) is an acute infectious disease caused by flaviviridae arbovirus (JE virus), which invades the central nervous system. It often leads to death or neurological sequelae. Japanese encephalitis B (JE) is a zoonotic disease transmitted by mosquitoes. People and many animals (livestock, poultry and birds) infected with JE virus can become the source of JE infection. JE is mainly transmitted by mosquito bites. The main symptom of Japanese encephalitis? Let's talk about it.

The main symptom of Japanese encephalitis?

1. Fever: accompanied by 37 ~ 39 ℃ are possible, usually within 24 days of fever, lasting more than 3 days, can be used in the doctor's advice under the drug fever, have a high fever does not subside, must immediately see a doctor. The onset of the disease was acute, the temperature rose sharply to 39-40 ℃, accompanied by headache, nausea and vomiting. Some patients had drowsiness or mental fatigue, and had mild neck stiffness. The course of the disease was 1-3 days.

2. Vomiting, abdominal pain, diarrhea, dizziness and general weakness. The body temperature continued to rise, reaching more than 40 ℃. At the initial stage, the symptoms gradually worsened, and the consciousness was obviously impaired, from drowsiness, drowsiness to coma. The deeper the coma, the longer the duration, the more serious the condition. Unconsciousness can occur as early as 1-2 days of the course of disease, but mostly in 3-8 days. Severe patients may have general convulsions, tonic spasms or tonic paralysis, and a few may also have soft paralysis. Severe patients may have central respiratory failure due to brain parenchymal lesions (especially brainstem), hypoxia, brain edema, brain hernia, intracranial hypertension, hyponatremia encephalopathy and other lesions, manifested as irregular respiratory rhythm, double inspiration, sigh like breathing, apnea, tidal breathing and mandibular breathing, and finally stop breathing. Physical examination can find meningeal stimulation sign, pupil slow response to light, disappear or mydriasis, abdominal wall and testicular reflex disappear, deep hyperreflexia, pathological pyramidal tract sign, such as Bartholin's sign can be positive.

3. There will be redness, swelling, heat and pain at the site of inoculation. Serious can cause nearby lymphatic inflammation. If local redness and swelling are serious, hot compress can be used in the morning and evening (BCG vaccine redness and swelling must not be hot compress), once every 5 minutes. After the climax, the body temperature decreased gradually, and the mental and nervous system symptoms improved day by day. Severe patients still have mental retardation, dementia, aphasia, dysphagia, facial paralysis, tetanic spasm or torsion spasm, and a few patients also have soft paralysis. After active treatment, most symptoms can be recovered within half a year. 　　

matters needing attention

1. Vaccination should be completed one month before the epidemic season. 2. People with allergic history, fever, acute infectious diseases, otitis media, congenital immunodeficiency, epilepsy, etc. can not be vaccinated. 3. Don't go home immediately after vaccination. Observe in the hospital for 30 minutes and have a rest. 4. No strenuous exercise 2-3 days after injection. Pay attention to the change of body temperature. 5. Pay attention to the cleaning of the injection site, but do not take a bath within 24 hours to prevent infection.