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KMID : 1143420200130171106
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Public Health Weekly Report
2020 Volume.13 No. 17 p.1106 ~ p.1115
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Monitoring of Malaria Vector Mosquitoes and Plasmodium vivax Infection in the Republic of Korea, 2019
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Kim Hyun-Ah
Lee Sang-Eun
Lee Hee-Il
Cho Shin-Hyeong
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Abstract
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Malaria is a febrile infectious disease transmitted by a female mosquito of the genus Anopheline. It is known that five
species worldwide cause malaria. However, in the Republic of Korea (ROK), Plasmodium vivax is an indigenous disease.
Proper malaria management requires early diagnosis and treatment of patients. Vector management is also important. To
investigate and monitor the density and protozoal infection rate of malaria-borne mosquitoes, this study conducted a
survey at 44 sites located in one metropolitan city and two provinces(Incheon metropolitan city, Gyeonggi and Gangwon
Provinces). In 2019, the trap index (TI) of malaria vector mosquitoes was 92, down from 215 in the average year (2014-2018) and down 51.1% from 188 in the previous year (2018). In 2019, the highest density was reported in July, seven weeks ahead of the average year when the highest density of malaria vector mosquitoes was reported in August. The Plasmodium vivax infection of malaria vector mosquitoes was tested by polymerase chain reaction (PCR). PCR results indicated that the minimum infection rate was 1.2 with 23 P. vivax positive pools among 1,765 tested pools. This study’s results were uploaded to the Korea Centers for Disease Control and Prevention (KCDC) homepage along with other weekly results.
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KEYWORD
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Malaria vector mosquito, Plasmodium vivax , Monitoring, Density, High-risk region
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