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目的控制蚊虫密度,防止虫媒传染病的发生,保障部队战斗力。方法查清演习场所周围10 km以内蚊虫孳生地的状况,采取环境治理、化学防治和个体防护相结合的综合措施。结果室外场所用超低容量喷雾和常量喷雾后1 h蚊虫密度下降率达96.1%;野营帐篷内用蚊帐浸泡剂处理蚊帐,在40 d观察期间,蚊虫停落数由试验前6.70只/帐降为0～0.43只/帐,吸血率由26.68%降为0～4.17%,对人的保护率达95%以上;值勤单兵用长效驱避剂涂抹裸露部位1,00%保护时间为6 h。结论蚊虫防治必须以环境治理为主,但在蚊虫肆虐地区,化学防治仍是快速控制蚊虫密度的重要手段,必须因地制宜,不同场所采用不同的药剂。
Objective To control the density of mosquitoes, prevent the occurrence of zoonotic diseases and ensure the combat effectiveness of the troops. Methods The status of mosquito breeding sites within 10 km around the exercise sites was identified and comprehensive measures of environmental control, chemical control and individual protection were adopted. Results The density of mosquitoes decreased 96.1% at 1 h after spraying with ultra-low-volume and constant-dose spray in outdoor area. The mosquito net was treated with mosquito net soaking agent in the camping tent. During the observation period of 40 days, the number of mosquito stops dropped from 6.70 / 0 to 0.43 only / account, the rate of aspiration decreased from 26.68% to 0 to 4.17%, the protection rate of more than 95% of people; duty soldiers with a long-acting repellent to apply bare parts of 1,00% protection time of 6 h Conclusion Mosquito control must be based on environmental management. However, chemical control is still an important means of rapid control of mosquito density in mosquito-infestation areas. Different agents must be used according to local conditions and in different places.