The cause. Hemorrhagic fever is a contagious disease caused by mosquito (Aedes aegyti) females fly biting people sick by dengue fever high. The virus will increase the number of mosquito samples in about 8-10 a day to the island at the wall, the stomach and salivary glands of mosquitoes. When the mosquito bites a person, it is spreading the infection to people. The infection will stay in the body for approximately 2-7 business days during which a fever if the mosquito bites a person, in this period, it will receive the virus come and make it with someone else, most often as a child. This disease outbreaks in the rainy season. Like the mosquito in the daytime as homes and schools like spawn in fresh water that remain still as the container with water, such as a tire the canister shell plate leg with rice, but he doesn't like to lay eggs in sewer canals, marshes, Nong Huay, etc.
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