Parasites, Hosts and Diseases

"imported malaria"

Original Articles

Characteristics of Imported Malaria and Species of Plasmodium Involved in Shandong Province, China (2012-2014): Chao Xu, Qing-Kuan Wei, Jin Li, Ting Xiao, Kun Yin, Chang-Lei Zhao, Yong-Bin Wang, Xiang-Li Kong, Gui-Hua Zhao, Hui Sun, Xin Liu, Bing-Cheng Huang; Korean J Parasitol 2016;54(4):407-414.
Published online August 31, 2016; DOI: https://doi.org/10.3347/kjp.2016.54.4.407

Abstract
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Malaria remains a serious public health problem in Shandong Province, China; therefore, it is important to explore the characteristics of the current malaria prevalence situation in the province. In this study, data of malaria cases reported in Shandong during 2012-2014 were analyzed, and Plasmodium species were confirmed by smear microscopy and nested-PCR. A total of 374 malaria cases were reported, 80.8% of which were reported from 6 prefectures. Of all cases, P. falciparum was dominant (81.3%), followed by P. vivax (11.8%); P. ovale and P. malariae together accounted for 6.4% of cases. Notably, for the first time since 2012, no indigenous case had been reported in Shandong Province, a situation that continued through 2014. Total 95.2% of cases were imported from Africa. The ratio of male/female was 92.5:1, and 96.8% of cases occurred in people 20-54 years of age. Farmers or laborers represented 77.5% of cases. No significant trends of monthly pattern were found in the reported cases. All patients were in good condition after treatment, except for 3 who died. These results indicate that imported malaria has increased significantly since 2012 in Shandong Province, especially for P. falciparum, and there is an emergence of species diversity.

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Toward the Elimination of Malaria in China: A Retrospective Analysis of Malaria-Endemic Characteristics and Prevention Effects in Yantai, Shandong Province, 1951 to 2017
Xiao Song, Yang Wang, Xiangli Kong, Haifang Wang, Xiaodan Huang, Hongmei Liu, Lijuan Liu, Xiuxia Guo, Chongxing Zhang, Yuqiang Zhao, Jingxuan Kou, Huaiwei Wang, Peng Cheng, Maoqing Gong
Vector-Borne and Zoonotic Diseases.2020; 20(3): 197. CrossRef
The impact of imported malaria by gold miners in Roraima: characterizing the spatial dynamics of autochthonous and imported malaria in an urban region of Boa Vista
Jaime Louzada, Nathália Coelho Vargas de Almeida, Joao Luiz Pereira de Araujo, Júlio Silva, Thiago M Carvalho, Ananias A Escalante, Joseli Oliveira-Ferreira
Memórias do Instituto Oswaldo Cruz.2020;[Epub] CrossRef
Molecular epidemiological surveillance of Africa and Asia imported malaria in Wuhan, Central China: comparison of diagnostic tools during 2011–2018
Yiting Xie, Kai Wu, Weijia Cheng, Tingting Jiang, Yi Yao, Mingxing Xu, Yan Yang, Huabing Tan, Jian Li
Malaria Journal.2020;[Epub] CrossRef
Misidentification of Plasmodium ovale as Plasmodium vivax malaria by a microscopic method: a meta-analysis of confirmed P. ovale cases
Manas Kotepui, Frederick Ramirez Masangkay, Kwuntida Uthaisar Kotepui, Giovanni De Jesus Milanez
Scientific Reports.2020;[Epub] CrossRef
Monitoring and evaluation of intervals from onset of fever to diagnosis before “1-3-7” approach in malaria elimination: a retrospective study in Shanxi Province, China from 2013 to 2018
Ting Wang, Shui-Sen Zhou, Jun Feng, Myo Minn Oo, Jing Chen, Chang-Fu Yan, Yi Zhang, Ping Tie
Malaria Journal.2019;[Epub] CrossRef
Surveillance of Antimalarial Resistance Pfcrt, Pfmdr1, and Pfkelch13 Polymorphisms in African Plasmodium falciparum imported to Shandong Province, China
Chao Xu, Qingkuan Wei, Kun Yin, Hui Sun, Jin Li, Ting Xiao, Xiangli Kong, Yongbin Wang, Guihua Zhao, Song Zhu, Jingxuan Kou, Ge Yan, Bingcheng Huang
Scientific Reports.2018;[Epub] CrossRef
Epidemiological analysis of 133 malaria cases in Shanxian county, Shandong Province, China
Qi-Qi Shi, Peng Cheng, Chong-Xing Zhang, Xiu-Xia Guo, Li-Juan Liu, Hai-Fang Wang, Jing-Xuan Kou, Xiao-Dan Huang, Huai-Wei Wang, Mao-Qing Gong
Asian Pacific Journal of Tropical Medicine.2017; 10(8): 802. CrossRef

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Imported Malaria over Fifteen Years in an Inner City Teaching Hospital of Washington DC: Sri Lakshmi Hyndavi Yeruva, Archana Sinha, Mariam Sarraf-Yazdy, Jhansi Gajjala; Korean J Parasitol 2016;54(3):261-264.
Published online June 30, 2016; DOI: https://doi.org/10.3347/kjp.2016.54.3.261

Abstract
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As endemic malaria is not commonly seen in the United States, most of the cases diagnosed and reported are associated with travel to and from the endemic places of malaria. As the number of imported cases of malaria has been increasing since 1973, it is important to look into these cases to study the morbidity and mortality associated with this disease in the United States. In this study, we would like to share our experience in diagnosing and treating these patients at our institution. We did a retrospective chart review of 37 cases with a documented history of imported malaria from 1998 to 2012. Among them, 16 patients had complicated malaria during that study period, with a mean length of hospital stay of 3.5 days. Most common place of travel was Africa, and chemoprophylaxis was taken by only 11% of patients. Travel history plays a critical role in suspecting the diagnosis and in initiating prompt treatment.

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A Systematic Review and Meta-Analysis of the Proportion Estimates of Disseminated Intravascular Coagulation (DIC) in Malaria
Thitinat Duangchan, Manas Kotepui, Suriyan Sukati, Yanisa Rattanapan, Kinley Wangdi
Tropical Medicine and Infectious Disease.2023; 8(6): 289. CrossRef
Prevalence, anti-malarial chemoprophylaxis and causes of deaths for severe imported malaria: A systematic review and meta-analysis
Aongart Mahittikorn, Wanida Mala, Polrat Wilairatana, Sukhontha Siri, Frederick Ramirez Masangkay, Kwuntida Uthaisar Kotepui, Manas Kotepui
Travel Medicine and Infectious Disease.2022; 49: 102408. CrossRef
Rapid Discrimination of Malaria- and Dengue-Infected Patients Sera Using Raman Spectroscopy
Sandip K. Patel, Nishant Rajora, Saurabh Kumar, Aditi Sahu, Sanjay K. Kochar, C. Murali Krishna, Sanjeeva Srivastava
Analytical Chemistry.2019; 91(11): 7054. CrossRef
The surveillance of four mosquito-borne diseases in international travelers arriving at Guangzhou Baiyun International Airport, China, 2016–2017
Xue Feng, Wei Sun, Guthrie S. Birkhead, Xuanzhuo Wang, Zhongmin Guo, Jiahai Lu
Travel Medicine and Infectious Disease.2019; 32: 101513. CrossRef

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Case Reports

An Imported Case of Severe Falciparum Malaria with Prolonged Hemolytic Anemia Clinically Mimicking a Coinfection with Babesiosis: Young Ju Na, Jong-Yil Chai, Bong-Kwang Jung, Hyun Jung Lee, Ji Young Song, Ji Hye Je, Ji Hye Seo, Sung Hun Park, Ji Seon Choi, Min Ja Kim; Korean J Parasitol 2014;52(6):667-672.
Published online December 23, 2014; DOI: https://doi.org/10.3347/kjp.2014.52.6.667

Abstract
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While imported falciparum malaria has been increasingly reported in recent years in Korea, clinicians have difficulties in making a clinical diagnosis as well as in having accessibility to effective anti-malarial agents. Here we describe an unusual case of imported falciparum malaria with severe hemolytic anemia lasting over 2 weeks, clinically mimicking a coinfection with babesiosis. A 48-year old Korean man was diagnosed with severe falciparum malaria in France after traveling to the Republic of Benin, West Africa. He received a 1-day course of intravenous artesunate and a 7-day course of Malarone (atovaquone/proguanil) with supportive hemodialysis. Coming back to Korea 5 days after discharge, he was readmitted due to recurrent fever, and further treated with Malarone for 3 days. Both the peripheral blood smears and PCR test were positive for Plasmodium falciparum. However, he had prolonged severe hemolytic anemia (Hb 5.6 g/dl). Therefore, 10 days after the hospitalization, Babesia was considered to be potentially coinfected. A 7-day course of Malarone and azithromycin was empirically started. He became afebrile within 3 days of this babesiosis treatment, and hemolytic anemia profiles began to improve at the completion of the treatment. He has remained stable since his discharge. Unexpectedly, the PCR assays failed to detect DNA of Babesia spp. from blood. In addition, during the retrospective review of the case, the artesunate-induced delayed hemolytic anemia was considered as an alternative cause of the unexplained hemolytic anemia.

Citations

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Imported parasitic diseases in the Republic of Korea: status and issues
Jong-Yil Chai
Journal of the Korean Medical Association.2025; 68(1): 52. CrossRef
Current Status of Trypanosoma grosi and Babesia microti in Small Mammals in the Republic of Korea
Hyun Jung Kim, BoGyeong Han, Hee-Il Lee, Jung-Won Ju, Hyun-Il Shin
Animals.2024; 14(7): 989. CrossRef
Imported human babesiosis in the Republic of Korea, 2019: two case reports
Hyun Jung Kim, Min Jae Kim, Hyun-Il Shin, Jung-Won Ju, Hee-Il Lee
Parasites, Hosts and Diseases.2023; 61(1): 72. CrossRef
Babesia microti alleviates disease manifestations caused by Plasmodium berghei ANKA in murine co-infection model of complicated malaria
Iqra Zafar, Tomoyo Taniguchi, Hanadi B. Baghdadi, Daisuke Kondoh, Mohamed Abdo Rizk, Eloiza May Galon, Shengwei Ji, Shimaa Abd El-Salam El-Sayed, Thom Do, Hang Li, Moaz M. Amer, Ma Zhuowei, Ma Yihong, Jinlin Zhou, Noboru Inoue, Xuenan Xuan
Frontiers in Cellular and Infection Microbiology.2023;[Epub] CrossRef
A conserved protein of Babesia microti elicits partial protection against Babesia and Plasmodium infection
Yao Wang, Qianqian Zhang, Wanruo Zhang, Junhu Chen, Jianfeng Dai, Xia Zhou
Parasites & Vectors.2023;[Epub] CrossRef
Babesia microti Confers Macrophage-Based Cross-Protective Immunity Against Murine Malaria
Artemis Efstratiou, Eloiza May S. Galon, Guanbo Wang, Kousuke Umeda, Daisuke Kondoh, Mohamad Alaa Terkawi, Aiko Kume, Mingming Liu, Aaron Edmond Ringo, Huanping Guo, Yang Gao, Seung-Hun Lee, Jixu Li, Paul Franck Adjou Moumouni, Yoshifumi Nishikawa, Hirosh
Frontiers in Cellular and Infection Microbiology.2020;[Epub] CrossRef
Two Imported Cases of Babesiosis with Complication or Co-Infection with Lyme Disease in Republic of Korea
Hea Yoon Kwon, Jae Hyoung Im, Yun-Kyu Park, Areum Durey, Jin-Soo Lee, Ji Hyeon Baek
The Korean Journal of Parasitology.2018; 56(6): 609. CrossRef
Delayed Diagnosis of Falciparum Malaria with Acute Kidney Injury
Iee Ho Choi, Pyoung Han Hwang, Sam Im Choi, Dae-Yeol Lee, Min Sun Kim
Journal of Korean Medical Science.2016; 31(9): 1499. CrossRef
Malaria endemicity and co-infection with tissue-dwelling parasites in Sub-Saharan Africa: a review
Nyamongo W. Onkoba, Moses J. Chimbari, Samson Mukaratirwa
Infectious Diseases of Poverty.2015;[Epub] CrossRef
Artesunate

Reactions Weekly.2015; 1574(1): 36. CrossRef

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A Case of Plasmodium ovale wallikeri Infection in a Chinese Worker Returning from West Africa: Yuchun Li, Guangze Wang, Dingwei Sun, Feng Meng, Shigan Lin, Ximin Hu, Shanqing Wang; Korean J Parasitol 2013;51(5):557-562.
Published online October 31, 2013; DOI: https://doi.org/10.3347/kjp.2013.51.5.557

Abstract
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In contrast to the gradual reduction in the number of locally transmitted malaria cases in China, the number of imported malaria cases has been increasing since 2008. Here, we report a case of a 39-year-old Chinese man who acquired Plasmodium ovale wallikeri infection while staying in Ghana, West Africa for 6 months in 2012. Microscopic examinations of Giemsa-stained thin and thick blood smears indicated Plasmodium vivax infection. However, the results of rapid diagnostic tests, which were conducted 3 times, were not in agreement with P. vivax. To further check the diagnosis, standard PCR analysis of the small-subunit rRNA gene was conducted, based on which a phylogeny tree was constructed. The results of gene sequencing indicated that this malaria is a variant of P. ovale (P. ovale wallikeri). The infection in this patient was not a new infection, but a relapse of the infection from the one that he had contracted in West Africa.

Citations

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Geographical origin of Plasmodium vivax in the Hainan Island, China: insights from mitochondrial genome
Yuchun Li, Xiaomin Huang, Ling Qing, Wen Zeng, Xiangjie Zeng, Feng Meng, GuangZe Wang, Yan Chen
Malaria Journal.2023;[Epub] CrossRef
An innovative three-layer strategy in response to a quartan malaria outbreak among forest goers in Hainan Island, China: a retrospective study
Yuchun Li, Yingjuan Huang, Renqiang Chen, Weizhen Huang, Huanzhi Xu, Rongshen Ye, Shaoling Huang, Ji Zhen, Xiaodan Wen, Guoyi Wang, Yong Liu, Haishan Li, Zaichun Zheng, Jian Wang, Guoshen Wang, Chong Chen, Wen Zeng, Feng Meng, Xiaoming Huang, Guangze Wang
Infectious Diseases of Poverty.2022;[Epub] CrossRef
High frequency of the Duffy-negative genotype and absence of Plasmodium vivax infections in Ghana
Charles A. Brown, Prince J. Pappoe-Ashong, Nancy Duah, Anita Ghansah, Harry Asmah, Edwin Afari, Kwadwo A. Koram
Malaria Journal.2021;[Epub] CrossRef
A comparison of two PCR protocols for the differentiation of Plasmodium ovale species and implications for clinical management in travellers returning to Germany: a 10-year cross-sectional study
Hagen Frickmann, Christine Wegner, Stefanie Ruben, Ulrike Loderstädt, Egbert Tannich
Malaria Journal.2019;[Epub] CrossRef
Indel-informed Bayesian analysis suggests cryptic population structure between Plasmodium knowlesi of humans and long-tailed macaques (Macaca fascicularis) in Malaysian Borneo
JustinJ.S. Wilcox, Abigail Kerschner, Hope Hollocher
Infection, Genetics and Evolution.2019; 75: 103994. CrossRef
Detection of malaria with light microscopy and Nested polymerase chain reaction (Nested PCR) methods in peripheral blood expansions and investigation of the genetic diversity of Plasmodium species by 18S rRNA gene in Southeast of Iran
Ahmad Taghdiri, Pooya Ghasemi Nejad Almani, Iraj Sharifi, Mohammad Ali Mohammadi, Samira Salari
Microbial Pathogenesis.2019; 137: 103782. CrossRef
WITHDRAWN: Indel-informed bayesian analysis suggests cryptic divisions between Plasmodium knowlesi of humans and long-tailed macaques (Macaca fascicularis) in Malaysian Borneo
Justin J.S. Wilcox, Abigail Kerschner, Hope Hollocher
Infection, Genetics and Evolution.2018;[Epub] CrossRef
Diagnosis of an imported Plasmodium ovale wallikeri infection in Malaysia
Jonathan Wee Kent Liew, Rohela Mahmud, Lian Huat Tan, Yee Ling Lau
Malaria Journal.2016;[Epub] CrossRef
Clinical implications of a gradual dormancy concept in malaria
Joachim Richter, Gabriele Franken, Martha C. Holtfreter, Susanne Walter, Alfons Labisch, Heinz Mehlhorn
Parasitology Research.2016; 115(6): 2139. CrossRef
Genetic diversity of Plasmodium vivax population before elimination of malaria in Hainan Province, China
Yu-Chun Li, Guang-Ze Wang, Feng Meng, Wen Zeng, Chang-hua He, Xi-Min Hu, Shan-Qing Wang
Malaria Journal.2015;[Epub] CrossRef
Molecular characterization of misidentified Plasmodium ovale imported cases in Singapore
Jean-Marc Chavatte, Sarah Bee Hui Tan, Georges Snounou, Raymond Tzer Pin Valentine Lin
Malaria Journal.2015;[Epub] CrossRef
Characterization of Plasmodium ovale curtisi and P. ovale wallikeri in Western Kenya Utilizing a Novel Species-specific Real-time PCR Assay
Robin H. Miller, Clifford O. Obuya, Elizabeth W. Wanja, Bernhards Ogutu, John Waitumbi, Shirley Luckhart, V. Ann Stewart, Alain Debrabant
PLOS Neglected Tropical Diseases.2015; 9(1): e0003469. CrossRef

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A Case of Plasmodium ovale Malaria Imported from West Africa: Yunjung Kang, Jinyoung Yang; Korean J Parasitol 2013;51(2):213-218.
Published online April 25, 2013; DOI: https://doi.org/10.3347/kjp.2013.51.2.213

Abstract
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Malaria is a parasitic infection caused by Plasmodium species. Most of the imported malaria in Korea are due to Plasmodium vivax and Plasmodium falciparum, and Plasmodium ovale infections are very rare. Here, we report a case of a 24-year-old American woman who acquired P. ovale while staying in Ghana, West Africa for 5 months in 2010. The patient was diagnosed with P. ovale malaria based on a Wright-Giemsa stained peripheral blood smear, Plasmodium genus-specific real-time PCR, Plasmodium species-specific nested PCR, and sequencing targeting 18S rRNA gene. The strain identified had a very long incubation period of 19-24 months. Blood donors who have malaria with a very long incubation period could be a potential danger for propagating malaria. Therefore, we should identify imported P. ovale infections not only by morphological findings but also by molecular methods for preventing propagation and appropriate treatment.

Citations

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A case of an asymptomatic Plasmodium falciparum infection followed by a symptomatic Plasmodium ovale infection in a soldier deployed to South Sudan
Choon Mee Kim, Jun-Won Seo, Da Young Kim, Na Ra Yun, Beomgi Lee, You Mi Lee, Munawir Muhammad, Dong-Min Kim
Malaria Journal.2025;[Epub] CrossRef
Plasmodium ovale: Exploring an Atypical Presentation
Priscila Lopez, Samah Suleiman, Mario Valdez Imbert, Mark N Sayegh, Tjark Schliep
Cureus.2024;[Epub] CrossRef
Diagnosis and Molecular Analysis on Imported Plasmodium ovale curtisi and P. ovale wallikeri Malaria Cases from West and South Africa during 2013-2016
Hyun-Il Shin, Bora Ku, Yu Jung Kim, Tae Yun Kim, Shin-Hyeong Cho, Sang-Eun Lee
The Korean Journal of Parasitology.2020; 58(1): 61. CrossRef
Clinical implications of a gradual dormancy concept in malaria
Joachim Richter, Gabriele Franken, Martha C. Holtfreter, Susanne Walter, Alfons Labisch, Heinz Mehlhorn
Parasitology Research.2016; 115(6): 2139. CrossRef
A Case ofPlasmodium malariaeInfection Imported from Guinea
Yun-Jung Kang, Moon-Jung Shim, Jung-Yeon Kim, So-Young Ji, Won-Ja Lee, Jinyoung Yang
Laboratory Medicine Online.2015; 5(1): 33. CrossRef
Do hypnozoites cause relapse in malaria?
Miles B. Markus
Trends in Parasitology.2015; 31(6): 239. CrossRef
A molecular survey of acute febrile illnesses reveals Plasmodium vivax infections in Kedougou, southeastern Senegal
Makhtar Niang, Laty Gaye Thiam, Abdourahmane Sow, Cheikh Loucoubar, Ndeye Sakha Bob, Fode Diop, Babacar Diouf, Oumy Niass, Annick Mansourou, Marie Louise Varela, Ronald Perraut, Amadou A Sall, Aissatou Toure-Balde
Malaria Journal.2015;[Epub] CrossRef
New type of SSUrDNA sequence was detected from both Plasmodium ovale curtisi and Plasmodium ovale wallikeri samples
Mei Li, Zhigui Xia, He Yan
Malaria Journal.2014;[Epub] CrossRef
Mixed-species Plasmodium falciparum and Plasmodium ovale malaria in a paediatric returned traveller
Heather Senn, Nadia Alattas, Andrea K Boggild, Shaun K Morris
Malaria Journal.2014;[Epub] CrossRef
A Case of Plasmodium ovale wallikeri Infection in a Chinese Worker Returning from West Africa
Yuchun Li, Guangze Wang, Dingwei Sun, Feng Meng, Shigan Lin, Ximin Hu, Shanqing Wang
The Korean Journal of Parasitology.2013; 51(5): 557. CrossRef

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Brief Communication

Imported Malaria in Korea: a 13-Year Experience in a Single Center: Hae Suk Cheong, Ki-Tae Kwon, Ji-Young Rhee, Seong Yeol Ryu, Dong Sik Jung, Sang Taek Heo, Sang Yop Shin, Doo Ryun Chung, Kyong Ran Peck, Jae-Hoon Song; Korean J Parasitol 2009;47(3):299-302.
Published online August 28, 2009; DOI: https://doi.org/10.3347/kjp.2009.47.3.299

Abstract
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The incidence of imported malaria has been increasing in Korea. We reviewed data retrospectively to evaluate the epidemiology, clinical features, and outcomes of imported malaria from 1995 to 2007 in a university hospital. All patients diagnosed with imported malaria were included. Imported malaria was defined as a positive smear for malaria that was acquired in a foreign country. A total of 49 patients (mean age, 35.7 year; M : F = 38 : 11) were enrolled. The predominant malarial species was Plasmodium falciparum (73.5%), and the most frequent area of acquisition was Africa (55.1%), followed by Southeast Asia (22.4%) and South Asia (18.4%). Fourteen-patients (30.6%) suffered from severe malaria caused by P. falciparum and 1 patient (2.0%) died of multiorgan failure. Most of the patients were treated with mefloquine (79.2%) or quinine (10.2%); other antimalarial agents had to be given in 13.2% treated with mefloquine and 44.4% with quinine due to adverse drug events (ADEs). P. falciparum was the most common cause of imported malaria, with the majority of cases acquired from Africa, and a significant number of patients had severe malaria. Alternative antimalarial agents with lower rates of ADEs might be considered for effective treatment instead of mefloquine and quinine.

Citations

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Imported parasitic diseases in the Republic of Korea: status and issues
Jong-Yil Chai
Journal of the Korean Medical Association.2025; 68(1): 52. CrossRef
Epidemiological and clinical characteristics of imported falciparum malaria in the Republic of North Macedonia
Mile Bosilkovski, Bachir Khezzani, Kostadin Poposki, Vesna Semenakova-Cvetkovska, Ivan Vidinic, Arlinda Osmani Lloga, Dejan Jakimovski, Marija Dimzova
Wiener klinische Wochenschrift.2023; 135(21-22): 609. CrossRef
Prevalence, anti-malarial chemoprophylaxis and causes of deaths for severe imported malaria: A systematic review and meta-analysis
Aongart Mahittikorn, Wanida Mala, Polrat Wilairatana, Sukhontha Siri, Frederick Ramirez Masangkay, Kwuntida Uthaisar Kotepui, Manas Kotepui
Travel Medicine and Infectious Disease.2022; 49: 102408. CrossRef
Malaria Cases in a Tertiary Hospital in Kuala Lumpur, Malaysia: A 16-Year (2005–2020) Retrospective Review
Nor Diyana Dian, Ahmad Firdaus Mohd Salleh, Mohd Amirul Fitri A Rahim, Mohd Bakhtiar Munajat, Siti Nor Azreen Abd Manap, Nuraffini Ghazali, Noor Wanie Hassan, Zulkarnain Md Idris
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BioMed Research International.2018; 2018: 1. CrossRef
An Imported Case of Severe Falciparum Malaria with Prolonged Hemolytic Anemia Clinically Mimicking a Coinfection with Babesiosis
Young Ju Na, Jong-Yil Chai, Bong-Kwang Jung, Hyun Jung Lee, Ji Young Song, Ji Hye Je, Ji Hye Seo, Sung Hun Park, Ji Seon Choi, Min Ja Kim
The Korean Journal of Parasitology.2014; 52(6): 667. CrossRef
Completeness of malaria notification in Tunisia assessed by capture recapture method
N Ben Alaya-Bouafif, MK Chahed, H El Bez, H Bellali, L Ayari, N Achour
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Imported Parasitic Diseases in Korea
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Infection and Chemotherapy.2010; 42(5): 271. CrossRef

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Original Articles

Imported Malaria in United Arab Emirates: Evaluation of a New DNA Extraction Technique Using Nested PCR: Doaa M. Sultan, Marwa M. Khalil, Ahmed S. Abdouh, Wafaa F. Doleh, Abdul Aziz M. Al Muthanna; Korean J Parasitol 2009;47(3):227-233.
Published online August 28, 2009; DOI: https://doi.org/10.3347/kjp.2009.47.3.227

Abstract
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Local malaria transmission in the United Arab Emirates (UAE) came to an end in 1997. Nevertheless, UAE has been subjected to substantial importation of malaria cases from abroad, concerning both UAE nationals and immigrants from malarious countries with a total number of 2,119 cases in 2007. To evaluate a new DNA extraction technique using nested PCR, blood samples were collected from 132 individuals who presented to Infectious Diseases Department in Rashid Hospital, Dubai, and Central Department of Malaria Control with fever and persistent headache. Giemsa-stained blood films and ELISA test for malaria antibodies were carried out for detection of Plasmodium infection. Plasmodium infections were identified with the genus-specific primer set and species differentiation using nested PCR. A rapid procedure for diagnosis of malaria infections directly from dried blood spots using for the first time DNA extract from FTA Elute cards was evaluated in contrast to extraction techniques using FTA classic cards and rapid boiling technique. Our new simple technique for DNA extraction using FTA Elute cards was very sensitive giving a sensitivity of 100% compared to 94% using FTA classic cards and 62% in the rapid boiling technique. No complex preparation of blood samples was required prior to the amplification. The production cost of DNA isolation in our PCR assay was much less in comparable to that of other DNA extraction protocols. The nested PCR detected plasmodial infection and could differentiate P. falciparum from P. vivax, and also detected the mixed infection.

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Nucleic acid purification from dried blood spot on FTA Elute Card provides template for polymerase chain reaction for highly sensitive Plasmodium detection
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Travelers' malaria among foreigners at the Hospital for Tropical Diseases, Bangkok, Thailand: a 6-year review (2000-2005): Watcharapong Piyaphanee, Srivicha Krudsood, Udomsak Silachamroon, Karnchana Pornpininworakij, Phatcharee Danwiwatdecha, Supat Chamnachanan, Polrat Wilairatana, Sornchai Looareesuwan; Korean J Parasitol 2006;44(3):229-232.
Published online September 20, 2006; DOI: https://doi.org/10.3347/kjp.2006.44.3.229

Abstract
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We retrospectively examined the charts of travelers admitted to the Hospital for Tropical Diseases, Bangkok, Thailand, with malaria during the years 2000-2005. Twenty-one cases of malaria were identified, of which 12 (57%) were Plasmodium vivax infections and 9 (43%) were P. falciparum infections. There was one mixed case with vivax and falciparum infection. Only 1 P. falciparum case had complications. All cases were successfully treated with standard antimalarial drugs. Only 3 of the 21 cases were thought to be acquired in Thailand, the rest were regarded to be imported.

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