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Malaria autochthonous

Sapna P Sadarangani, Poh Lian Lim, Shawn Vasoo
Background.: Approximately 1.4 million migrant workers reside in Singapore, presenting unique infectious disease challenges to both migrants and Singapore. Methods.: A Pubmed, MEDLINE (Ovid), EBSCO Host (Global Health) and Google Scholar search was performed for both peer, non-peer reviewed articles and reports relevant to migrant health in Singapore, published between 1 January 1989 and 1 September 2016. Additional studies were identified from citations within searched articles...
July 1, 2017: Journal of Travel Medicine
Jussara Rafael Angelo, Tony Hiroshi Katsuragawa, Paulo Chagastelles Sabroza, Lino Augusto Sander de Carvalho, Luiz Hildebrando Pereira da Silva, Carlos Afonso Nobre
BACKGROUND: This study aims to describe the role of mobility in malaria transmission by discussing recent changes in population movements in the Brazilian Amazon and developing a flow map of disease transmission in this region. METHODOLOGY/PRINCIPAL FINDINGS: This study presents a descriptive analysis using an ecological approach on regional and local scales. The study location was the municipality of Porto Velho, which is the capital of Rondônia state, Brazil...
2017: PloS One
Denise A M Alvarenga, Anielle Pina-Costa, Cesare Bianco, Silvia B Moreira, Patricia Brasil, Alcides Pissinatti, Claudio T Daniel-Ribeiro, Cristiana F A Brito
BACKGROUND: Non-human primates (NHPs) as a source for Plasmodium infections in humans are a challenge for malaria elimination. In Brazil, two species of Plasmodium have been described infecting NHPs, Plasmodium brasilianum and Plasmodium simium. Both species are infective to man. Plasmodium brasilianum resembles morphologically, genetically and immunologically the human quartan Plasmodium malariae. Plasmodium brasilianum naturally infects species of non-human primates from all New World monkey families from a large geographic area...
February 10, 2017: Malaria Journal
Aitor Olaso, José M Ramos, María F López-Ballero, Ignacio Olaso
No abstract text is available yet for this article.
December 12, 2016: Enfermedades Infecciosas y Microbiología Clínica
Giselle F M C Lima, Maria C Arroyo Sanchez, José E Levi, Mahyumi Fujimori, Luiza Da Cruz Caramelo, Arianni Rondelli Sanchez, Eduardo M Ramos-Sanchez, Juliana Inoue, Maria De Jesus Costa-Nascimento, Alfredo Mendrone Junior, Silvia M Di Santi
BACKGROUND: Transfusion-transmitted malaria due to asymptomatic Plasmodium infections is a challenge for blood banks. There is a lack of data on the prevalence of asymptomatic infected blood donors and the incidence of transfusion-transmitted malaria in low endemicity areas worldwide. We estimated the frequency of blood donors harbouring Plasmodium in an area in which asymptomatic infections have been reported. MATERIAL AND METHODS: To estimate the frequency of blood donors harbouring Plasmodium we used microscopy and molecular tools...
November 7, 2016: Blood Transfusion, Trasfusione del Sangue
Yaghoob Hamedi, Khojasteh Sharifi-Sarasiabi, Farzaneh Dehghan, Reza Safari, Sheren To, Irene Handayuni, Hidayat Trimarsanto, Ric N Price, Sarah Auburn
BACKGROUND: Malaria remains endemic at low levels in the south-eastern provinces of Iran bordering Afghanistan and Pakistan, with the majority of cases attributable to P. vivax. The national guidelines recommend chloroquine (CQ) as blood-stage treatment for uncomplicated P. vivax, but the large influx of imported cases enhances the risk of introducing CQ resistance (CQR). METHODOLOGY AND PRINCIPAL FINDINGS: The genetic diversity at pvmdr1, a putative modulator of CQR, and across nine putatively neutral short tandem repeat (STR) markers were assessed in P...
2016: PloS One
Laura Barrado, Carmen Ezpeleta, José Miguel Rubio, Carmen Martín, José Manuel Azcona, Miren Arteaga, Xabier Beristain, Ana Navascués, Eva Ongay, Jesús Castilla
In 2014, an autochthonous case of introduced malaria caused by Plasmodium vivax was identified in Spain. The strain that infected this patient was identical to that of a prior imported case from Pakistan. This is the first case where the source of infection could be identified since elimination in Spain.
February 2017: Infection
Madhuri Chandnani, Mandeep Kaur, Anusha Ramadhas, Taisiya Tumarinson
BACKGROUND Hepatitis E virus (HEV) is the most common cause of enterically acquired acute viral hepatitis worldwide with major prevalence in the developing countries. An increasing number of sporadic cases of acute HEV infection have also been found in developed countries, but there is still no role for HEV testing in cases of seronegative acute hepatitis in such nonendemic regions. CASE REPORT A 59-year-old male residing in the United States for seven months with a history of malaria treated one year ago presented with fatigue and cholestatic jaundice with very high bilirubin levels...
August 16, 2016: American Journal of Case Reports
Suneth Agampodi, Buddhika Wijerathne, Kosala Weerakoon
PURPOSE OF REVIEW: Sri Lanka achieved a major milestone in communicable disease control in 2012 by reporting zero incidence of autochthonous malaria. However, reduction of malaria was associated with concurrent increase of several tropical diseases. This review looks into the time trends and epidemiology of these communicable diseases in Sri Lanka. RECENT FINDINGS: Reduction of malaria cases coincides with an increase of dengue, leptospirosis and rickettsioses in Sri Lanka...
October 2016: Current Opinion in Infectious Diseases
Dimitra Dimopoulou, Evangelia-Theofano Piperaki, Loukia Zerva, Vasileios Tsagris, Sofia Asprogeraka, Dimitrios Kalantzis, Vassiliki Papaevangelou
We report the case of a 12-year-old child who was admitted to our Department, with 7 days' history of high fever and splenomegaly. His father had similar symptoms starting on the same day. A rapid test and microscopy for malaria yielded a positive result for Plasmodium vivax Antimalarial therapy was initiated. He developed methemoglobinemia treated with ascorbic acid and had uneventful recovery.
February 2017: Journal of Tropical Pediatrics
Ahlem Gzara Zargouni, Rafla Tej Dellagi, Nissaf Ben Alaya, Noureddine Ben Jemaa, Dhikrayet Gamara, Afif Ben Salah, H Triki, K Kallel, E Chaker, M T Rachdi
BACKGROUND: Malaria has been eliminated in Tunisia since 1979, but the country remains, like all other countries harboring the vector, exposed to the potential risk of resurgence. OBJECTIVES: Describe the clinical and epidemiological investigation of 4 cases of autochthonous malaria in July 2013 and report the main actions of regional and national response. METHODS: Retrospective descriptive survey of the 4 clinical observations as well as the study of the regional report data of basic health care for the region of Tunis in 2013...
August 2015: La Tunisie Médicale
Louise Roggelin, Dennis Tappe, Bernd Noack, Marylyn M Addo, Egbert Tannich, Camilla Rothe
BACKGROUND: Since 2014, a considerable increase in Plasmodium vivax malaria has been observed in Germany. The majority of cases was seen in Eritrean refugees. METHODS: All patients with P. vivax malaria admitted to the University Medical Centre Hamburg-Eppendorf Germany from 2011 until August 2015 were retrospectively identified by the hospital coding system and data was matched with records from the laboratory diagnostics unit of the Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany...
2016: Malaria Journal
Michael Osthoff, Adrian Schibli, Davide Fadini, Pietro Lardelli, Daniel Goldenberger
BACKGROUND: Louse-borne relapsing fever (LBRF) is a neglected disease that has been restricted to East Africa for many decades. Several cases in refugees from the Horn of Africa have been recently diagnosed in four European countries. CASE PRESENTATION: We report four additional cases of LBRF in asylum seekers from Somalia and Eritrea who presented with fever shortly after arriving in Switzerland during a seven-month period. Multiple spirochetes were visualized on stained blood films which were identified as Borrelia recurrentis by 16S rRNA gene sequencing...
2016: BMC Infectious Diseases
Sonam Wangchuk, Tobgyel Drukpa, Kinley Penjor, Tashi Peldon, Yeshey Dorjey, Kunzang Dorji, Vishal Chhetri, Hidayat Trimarsanto, Sheren To, Amanda Murphy, Lorenz von Seidlein, Ric N Price, Kamala Thriemer, Sarah Auburn
BACKGROUND: Bhutan has made substantial progress in reducing malaria incidence. The national guidelines recommend chloroquine (CQ) and primaquine (PQ) for radical cure of uncomplicated Plasmodium vivax, but the local efficacy has not been assessed. The impact of cases imported from India on the genetic make-up of the local vivax populations is currently unknown. METHODS: Patients over 4 years of age with uncomplicated P. vivax mono-infection were enrolled into a clinical efficacy study and molecular survey...
May 12, 2016: Malaria Journal
Nebiye Yentür Doni, Fadile Yıldız Zeyrek, Adnan Seyrek, Zeynep Şimşek, Gülcan Gürses, Seher Topluoğlu
Although Plasmodium vivax is the only cause of malaria cases detected in Turkey, an increase number of imported P.falciparum cases have begun to be observed recently. Sanliurfa is a province located at Southeastern region of Turkey where malaria is endemic and also one of the two largest malaria epidemics of Turkey was experienced with 84.345 cases in 1994. As this region has borders with countries like Iraq, Iran and Syria, cross border migration caused an increase in imported cases. In addition, climate change, alteration in temperature and humidity due to the Southeastern Anatolian Irrigation Project have led an increase in suitable breeding grounds for mosquitoes...
April 2016: Mikrobiyoloji Bülteni
E T Piperaki, G L Daikos
Malaria was eradicated from Europe in the 1970s through a combination of insecticide spraying, drug therapy and environmental engineering. Since then, it has been mostly imported into the continent by international travellers and immigrants from endemic regions. Despite the substantial number of imported malaria cases and the documented presence of suitable anopheline vectors, autochthonous transmission has not been widely observed in Europe, probably as a result of early diagnosis and treatment, afforded by efficient healthcare systems...
June 2016: Clinical Microbiology and Infection
Khadijetou Mint Lekweiry, Mohamed Salem Ould Ahmedou Salem, Christelle Cotteaux-Lautard, Fanny Jarjaval, Adeline Marin-Jauffre, Hervé Bogreau, Leonardo Basco, Sébastien Briolant, Ali Ould Mohamed Salem Boukhary, Khyarhoum Ould Brahim, Frédéric Pagès
BACKGROUND: Mosquitoes belonging to Anopheles gambiae species complex are the main malaria vector in Mauritania but data on their vector capacities, feeding habits and insecticide susceptibility are still scanty. The objectives of this study were to fill this gap. METHODS: Adult Anopheles spp. mosquitoes were collected using pyrethrum spray catch method from two ecological zones of Mauritania: Nouakchott (Saharan zone) and Hodh Elgharbi region (Sahelian zone). Circumsporozoite proteins (CSP) for P...
May 5, 2016: Parasites & Vectors
Khodadad Sheikhzadeh, Ali Akbar Haghdoost, Abbas Bahrampour, Farzaneh Zolala, Ahmad Raeisi
BACKGROUND: Controlling and preventive measures considerably reduced malaria incidence in Iran over the past few years, which confined the endemic areas to some regions in the southeastern Iran. The National Malaria Elimination Programme commenced in 2010. With regard to the presumption that the elimination programme interventions have accelerated the declining trend of malaria incidence across the endemic areas of Iran, the present study attempted to assess the effectiveness of the elimination programme by reviewing malaria incidence status, over a 14-year period, and comparing the trend of malaria incidence across malaria-endemic areas between the control and pre-elimination phase, and the elimination phase...
April 14, 2016: Malaria Journal
Z J Li, Z K Zhang, S Zhou, Q B Geng, J L Sun, X N Zhou, W Z Yang
OBJECTIVE: To investigate the epidemiological characteristics and impact factors on hospitalization of Plasmodium vivax (P.vivax) since initiation of national malaria elimination program, so as to facilitate the adjustment of technical guideline in response to the epidemic changing of malaria in China. METHODS: The data of individual P. vivax case (probable and confirmed) and population during 2011-2014 were collated from China National Notifiable Infectious Disease Reporting Information System, and the data of epidemiological investigation for individual P...
April 2016: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
Jung-Yeon Kim, Youn-Kyoung Goo, Young-Gun Zo, So-Young Ji, Hidayat Trimarsanto, Sheren To, Taane G Clark, Ric N Price, Sarah Auburn
BACKGROUND: Vivax malaria was successfully eliminated from the Republic of Korea (ROK) in the late 1970s but re-emerged in 1993. Two decades later as the ROK enters the final stages of malaria elimination, dedicated surveillance of the local P. vivax population is critical. We apply a population genetic approach to gauge P. vivax transmission dynamics in the ROK between 2010 and 2012. METHODOLOGY/PRINCIPAL FINDINGS: P. vivax positive blood samples from 98 autochthonous cases were collected from patients attending health centers in the ROK in 2010 (n = 27), 2011 (n = 48) and 2012 (n = 23)...
2016: PloS One
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