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Malaria autochthonous

Iskra Rainova, Rumen Harizanov, Iskren Kaftandjiev, Nina Tsvetkova, Ognyan Mikov, Eleonora Kaneva
BACKGROUND: In Bulgaria, more than 20 autochthonous human parasitic infections have been described and some of them are widespread. Over 50 imported protozoan and helminthic infections represent diagnostic and therapeutic challenge and pose epidemiological risk due to the possibility of local transmission. AIMS: To establish the distribution of autochthonous and imported parasitic diseases among the population of the country and to evaluate their significance for the public health system...
September 13, 2017: Balkan Medical Journal
Patrícia Brasil, Mariano Gustavo Zalis, Anielle de Pina-Costa, Andre Machado Siqueira, Cesare Bianco Júnior, Sidnei Silva, André Luiz Lisboa Areas, Marcelo Pelajo-Machado, Denise Anete Madureira de Alvarenga, Ana Carolina Faria da Silva Santelli, Hermano Gomes Albuquerque, Pedro Cravo, Filipe Vieira Santos de Abreu, Cassio Leonel Peterka, Graziela Maria Zanini, Martha Cecilia Suárez Mutis, Alcides Pissinatti, Ricardo Lourenço-de-Oliveira, Cristiana Ferreira Alves de Brito, Maria de Fátima Ferreira-da-Cruz, Richard Culleton, Cláudio Tadeu Daniel-Ribeiro
BACKGROUND: Malaria was eliminated from southern and southeastern Brazil over 50 years ago. However, an increasing number of autochthonous episodes attributed to Plasmodium vivax have recently been reported from the Atlantic Forest region of Rio de Janeiro state. As the P vivax-like non-human primate malaria parasite species Plasmodium simium is locally enzootic, we performed a molecular epidemiological investigation to determine whether zoonotic malaria transmission is occurring. METHODS: We examined blood samples from patients presenting with signs or symptoms suggestive of malaria as well as from local howler monkeys by microscopy and PCR...
August 31, 2017: Lancet Global Health
Emilia Velasco, Diana Gomez-Barroso, Carmen Varela, Oliva Diaz, Rosa Cano
Spain declared the elimination of malaria in 1964. In non-endemic areas, the overwhelming majority of malaria cases are acquired abroad, and locally acquired infections are rare events. In Spain, malaria is a statutorily notifiable disease. During these fifty years more than ten thousand malaria cases have been reported, and about 0.8% of them did not have a history of recent travel. In this report, it was carried out a review of the ways in which malaria can be transmitted in non-endemic areas and a short description of the Spanish cases, aggregated by their transmission mechanisms...
June 29, 2017: Malaria Journal
Jalil Nejati, Seyed Mehdi Tabatabaei, Masoud Salehi, Abedin Saghafipour, Ehssan Mozafari
The area southeast of Iran still copes with malaria as an unstable infectious disease and includes the most autochthonous malaria reports in the country. This comprehensive study was carried out for the evaluation of environmental factors, welfare indicators and health facilities on the malaria situation before and at the beginning of a pre-elimination programme in this area. The probable factors affecting the malaria situation, including the water-pipe network, electricity, rainfall, long-lasting integrated nets (LLINs), indoor residual spraying and malaria diagnosis-treatment centres were analysed using SPSS software...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
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.
October 2017: 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...
June 17, 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...
May 17, 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
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