How is Japanese encephalitis transmitted?
1. Is Japanese encephalitis contagious?
Different from the mosquito that causes dengue fever that often lives around the house, the mosquito that causes Japanese encephalitis is mainly 2 species: Culex Tritaeniorhynchus and Culex vishnui, brown in color, active at dusk. dark and often live in wet rice fields, ponds and lakes, in fields. Mosquitoes that cause Japanese encephalitis can fly within a radius of up to 3km.
Mosquito bite is the only way to transmit Japanese encephalitis. There have been no recorded cases of Japanese encephalitis being transmitted from person to person. Eating together, sharing utensils, and close contact with sick people do not spread Japanese encephalitis. With virus infected pigs, they are completely free from encephalitis, pigs only play the role of a repository and maintain the viral load in nature.
2. Why is Japanese encephalitis a dangerous infectious disease?
It is worth mentioning that Japanese encephalitis is often difficult to detect early because early symptoms often resemble encephalitis or meningitis other brain, mainly from high fever. The clinical symptoms of the disease are difficult to distinguish between the virus strains, so the diagnosis needs to wait for the test results to confirm the virus. A few days later, new symptoms of the disease became more obvious such as: sudden high fever, severe headache, nausea or vomiting, joint pain, stiff neck, unsteadiness, lethargy, confusion, coma , talking nonsense, paralysis... The disease progresses very quickly, can lead to convulsions, coma after only 3 days of illness.
3. Prevention of Japanese encephalitis
Besides, people also need to take other measures to prevent and control the disease such as: preventing mosquito bites by sleeping under nets even during the day in places with many mosquitoes, using drugs or chemicals to kill mosquitoes, do not allow children to play where there are stables; In livestock areas, barns should be placed far away from home, clearing the surrounding bushes, clearing sewers to limit mosquitoes from multiplying and developing. In particular, when children show signs of sudden high fever, they need to be taken to a medical facility for early diagnosis and treatment if Japanese encephalitis occurs.
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