Objective To investigate the risk of non-disease hazards caused by vectors in different types of places of the 7th CISM Military World Games (CWG), to provide a scientific basis for vector control, and to ensure the successful hosting of the 7th CWG. Methods The instrument method was used to monitor vector density; visual observation method was used to check the equipment of rodent- and fly-proof facilities; the expert consultation method was used to assess the risk of non-disease hazards caused by vectors in different types of places during the 7th CWG. Results Based on the vector surveillance data in 2016-2018, the mean capture rate of rodents was 0.75%, the mean density of flies was 2.61 flies/cage, the mean density of cockroaches was 0.87 cockroaches/sheet·night, and the mean density of mosquitoes was 34.24 mosquitoes/lamp·night. The surveillance results of vector density in the places for the 7th CWG showed that the mean capture rate of rodents was 0.20%, the mean density of flies was 4.96 flies/cage, the mean density of cockroaches was 0.11 cockroaches/sheet·night, and the mean density of mosquitoes was 16.11 mosquitoes/lamp·night. The examination of vector-proof facilities showed that among the 197 places or units associated with the 7th CWG, 169 were found to have unqualified rodent-proof facilities, with an unqualified rate of 85.79%, and 130 were found to have unqualified fly-proof facilities, with an unqualified rate of 65.99%. Comprehensive assessment by experts indicated that vector bites and nuisance were rated as a high risk in military athletes’ village, competition stadiums, and media center, a low risk in key hotels for reception, and a moderate risk in other related places; vector contamination of environment and food and ugly sight were rated as a low risk in stadiums for opening and closing ceremonies, key hotels for reception, and competition stadiums and a moderate risk in other related places; vector destruction of electricity power facilities was evaluated as a high risk in competition stadiums, a low risk in key hotels for reception and designated hospitals and a moderate risk in other related places. Conclusion Targeted countermeasures for vector risk prevention should be adopted according to the results of vector surveillance, investigation of protective facilities, and risk assessment of vector hazards, so as to ensure that no serious hazards caused by vector occur during the 7th CWG.
WU Li-qun, ZHOU Liang-cai, CHEN Xiao-min
. Risk assessment of vectors at the venues of 7th CISM Military World Games, 2019[J]. Chinese Journal of Vector Biology and Control, 2021
, 32(5)
: 618
-623
.
DOI: 10.11853/j.issn.1003.8280.2021.05.022
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