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Original Article
- Characteristics of imported and domestic malaria cases in Gyeonggi Province, Korea
- Sunghee Hong, Jihye Kim, Soo-Nam Jo, Jong-Hun Kim, Boyoung Park, Bo Youl choi
- Epidemiol Health. 2024;46:e2024087. Published online November 8, 2024
- DOI: https://doi.org/10.4178/epih.e2024087
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AbstractOBJECTIVES
This study explored 11 years of malaria data from mandatory reporting in Gyeonggi Province, Korea, to provide information for prevention strategies by linkage to nationwide health claims data.METHODSReported malaria cases in Gyeonggi Province from 2011 to 2021 were linked to medical usage data from the National Health Insurance Database. Data about hospitalization, antibiotic prescription and duration, malarial species, and sociodemographic information of the cases were included.RESULTSBetween 2011 and 2021, a total of 3,011 malaria cases were reported, consisting of 2,828 domestic (93.9%) and 183 imported (6.1%) cases. Over 80% of the cases involved males, with the majority of patients being in their 20s. Both domestic and imported cases peaked between June and August over the years. Imported cases had a higher hospitalization rate (66.9%) compared to domestically-acquired cases (54.9%). There was a significant variation in treatment rates, with 80.7% of imported cases and 74.6% of domestic cases receiving treatment. For domestic cases, chloroquine combined with primaquine was the most commonly prescribed treatment (77.0%), while atovaquone-proguanil was frequently used for imported cases (25.9%). Plasmodium vivax was the predominant species in domestic cases (94.9%), whereas P. malariae was more common in imported cases (62.3%). The overall number of reported malaria cases declined following a sharp decrease in imported cases in 2020 and 2021.CONCLUSIONSDespite a decreasing trend in malaria cases reported in Gyeonggi Province, imported cases exhibited higher hospitalization rates and different antibiotic prescription and treatment patterns, reflecting the presence of a different malarial species. -
SummaryKorean summary
- 2011년부터 2021년까지 경기도에서 보고된 말라리아 사례 중 94%는 국내 발생이었으며, 80% 이상이 남성이었습니다. - 국내 발생은 20대에서 가장 많았으며, Plasmodium vivax가 주요 원인균으로 확인되었습니다. - 해외 유입 사례는 Plasmodium malariae가 지배적이며, 더 높은 입원율과 치료율을 보였습니다.Key Message
- Between 2011 and 2021, 94% of malaria cases reported in Gyeonggi Province were domestically acquired, with over 80% of cases involving male patients. - Domestic cases were most common among individuals in their 20s, with Plasmodium vivax being the dominant species. - Imported cases primarily involved Plasmodium malariae, which showed higher hospitalization and treatment rates.
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