A, mosquitoes can spread which infectious diseases? Mosquitoes can spread malaria, B encephalitis, yellow fever, dengue fever, chikungunya fever, Zika virus disease and many other diseases, including Zika virus disease is mainly transmitted by Aedes aegypti and Aedes albopictus. Aedes aegypti is distributed in China’s Hainan Province, southern Taiwan, Guangdong Province, Leizhou Peninsula, Yunnan Province, Xishuangbanna State, Dehong State and Lincang City and other areas; Aedes albopictus is distributed in the north to Shenyang City, Dalian City, Liaoning Province, west to Long County, Shaanxi Province and Baoji City, southwest to the line and most of the southeast side of Tibet Murdo. Second, how to use mosquito repellent? Spray and apply the mosquito repellent on the head, limbs and other exposed skin, especially behind the ears, neck and other parts of the body, to avoid drugs into the eyes and mouth. General outdoor environment interval of 2-4 hours to apply a repellent. Generally have our pesticide registration certificate of commodity repellent can be used for infants, but do not use for infants under 2 months. Third, how to deal with mosquito bites after? General treatment of mosquito bites is mainly to stop itching, can be applied externally cool oil, anthritis, anti-inflammatory, etc.. If local swelling, infection, and fever, rash and other symptoms, must promptly go to the hospital. Fourth, after infection with mosquito-borne diseases, how to avoid transmission to family and friends? If you are bitten by mosquitoes and have uncomfortable symptoms, you should seek medical attention and take the initiative to take anti-mosquito isolation measures to avoid mosquito bites to prevent family and friends from being infected; avoid going out as much as possible, such as going out must use mosquito repellent, wear light-colored long-sleeved clothing and long pants; residence to install screen doors and windows to avoid mosquitoes inside. Fifth, how to prevent mosquitoes in residential households? Family mosquito can be used physical, chemical methods of integrated management, in the use of water removal, installation of screen doors and windows, electric mosquito racket to eliminate mosquitoes at the same time, you can use mosquito incense, insecticide aerosol mosquito repellent, mosquitoes can not be removed from the stagnant water with mosquito larvicide treatment. Add screen door screen window: room can be installed screen door, screen window to stop mosquitoes long drive in, in the high season available stagnant spray insecticide coated screen window, the effect is better. Use mosquito nets when resting to reduce human mosquito contact. Clear the breeding ground: residents of the family vase and aquatic plants at least once a week to thoroughly change the water, to thoroughly clean the air conditioning tray, the bottom of the flower pot dish (tray children) water, with a cover on the cover. Check the floor drains in the bathroom and kitchen every week or replace the safe floor drains with impermeable and other functions, keep the floor drains free of stagnant water, and spray insecticide from time to time, do not give mosquitoes room to live, garbage cans should be covered. Correct use of various types of health insecticide: can use mosquito incense, according to the instructions to repel mosquitoes and mosquitoes, the incense will be placed in the ventilation upwind. Can also use insecticide aerosol mosquitoes, use insecticide aerosol try not to clothing, bed sheets, furniture, skin directly sprayed, before spraying to collect food and tableware, after spraying the best closed doors and windows for half an hour to 1 hour, and then open the windows for ventilation. Insecticide aerosol spray overdose on the human body will have a certain degree of toxicity, so when using insecticide aerosol at home must pay attention to safety, do not let infants and children contact, if inadvertently sprayed on the skin, to promptly clean. Six, enterprises and institutions, community how to prevent mosquitoes? Breeding ground treatment is an important basis for mosquito prevention, need to widely carry out the mass patriotic health campaign to remove mosquito breeding sites. On the basis of comprehensive treatment of breeding sites, the reasonable use of various types of biological and chemical insecticides. Removal of breeding sites: mainly including the removal of all kinds of waste and debris, all the bottles, buckets, basins and other containers that may accumulate water in front of the house for thorough cleaning, empty containers stored upside down to prevent the breeding of mosquitoes. Bonsai, fountains, fish ponds and other kinds of community outdoor landscape water bodies should be fully cleaned of trash floating objects, and frequent water changes. To regularly dredge ditches and manholes in the community, drainage ditches to maintain no stagnant water, wells to be sealed, sewer well cover can use anti-mosquito stickers, regular inspection of basements, timely exclusion of stagnant water to prevent the breeding of mosquitoes. To regularly dredge residential building rooftops and other places such as drainage holes and pipes, should be promptly cleared after the rain to avoid stagnant water. Biological prevention: fountains, pools and other large bodies of water can not be discharged biological mosquito control, feeding such as wickerfish, goldfish, carp, carp carp, Chinese fighting fish, African carp and other fish species that can swallow mosquito larvae to achieve the purpose of mosquito control. You can also use Bacillus thuringiensis or Bacillus sphericus and other biological mosquito larvae. Chemical prevention: under the guidance of professional and technical personnel, the key parts of the stagnant spraying to kill adult mosquitoes. Can not remove the stagnant water or water bodies, can not be sealed wells, sewers, fountains and other outdoor landscape water bodies, put mosquito larvicide to kill mosquito larvae. The adult mosquito density of high places, can be in the adult mosquito activity peak time with ultra-low volume spray or hot smoke for space spray treatment, quickly kill adult mosquitoes. Seven, how to avoid mosquito bites when traveling? Travel especially Zika virus disease, dengue fever, chikungunya fever and yellow fever epidemic area travel, should avoid mosquito bites and infection. Wear light-colored long-sleeved clothes and pants, and apply mosquito repellent on bare skin, especially behind the ears and neck; wear long-sleeved clothes, pants and socks treated with permethrin insecticide (such as soaking) for more effective protection; rent a hotel with good sanitary conditions, preferably with air conditioning.