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https://www.readbyqxmd.com/read/28731409/assessment-of-the-probability-of-autochthonous-transmission-of-chikungunya-virus-in-canada-under-recent-and-projected-climate-change
#1
Victoria Ng, Aamir Fazil, Philippe Gachon, Guillaume Deuymes, Milka Radojević, Mariola Mascarenhas, Sophiya Garasia, Michael A Johansson, Nicholas H Ogden
BACKGROUND: Chikungunya virus (CHIKV) is a reemerging pathogen transmitted by Aedes aegypti and Aedes albopictus mosquitoes. The ongoing Caribbean outbreak is of concern due to the potential for infected travelers to spread the virus to countries where vectors are present and the population is susceptible. Although there has been no autochthonous transmission of CHIKV in Canada, there is concern that both Ae. albopictus and CHIKV will become established, particularly under projected climate change...
June 5, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28728202/-pyogenic-liver-abscess-changes-of-organisms-and-consequences-for-diagnosis-and-therapy
#2
Alexander Mischnik, Winfried Vincenz Kern, Robert Thimme
Liver abscess is a rare but potentially fatal disease with mortality rates of 2 - 12 %. The spectrum of causative microorganisms varies across the world and is changing due to increasing worldwide travel activity. As a result, previously less frequent pathogens must increasingly be considered in the differential diagnosis. The most common pathogens of liver abscess are so-called abscess streptococci, anaerobes and Gram-negative bacteria such as Escherichia coli and Klebsiella pneumoniae. Certain clones among the Gram-negatives, typically among Klebsiella spp...
July 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28726623/candidatus-dirofilaria-hongkongensis-as-causative-agent-of-human-ocular-filariosis-after-travel-to-india
#3
Stefan Winkler, Andreas Pollreisz, Michael Georgopoulos, Zsuzsanna Bagò-Horvath, Herbert Auer, Kelvin Kai-Wang To, Jürgen Krücken, Sven Poppert, Julia Walochnik
We report a human case of ocular Dirofilaria infection in a traveler returning to Austria from India. Analysis of mitochondrial sequences identified the worm as Candidatus Dirofilaria hongkongensis, a close relative of Dirofilaria repens, which was only recently described in Hong Kong and proposed as a new species.
August 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28725562/pleural-empyema-and-streptococcal-toxic-shock-syndrome-due-to-streptococcus-pyogenes-in-a-healthy-spanish-traveler-in-japan
#4
Tetsuya Sakai, Daisuke Taniyama, Saeko Takahashi, Morio Nakamura, Takashi Takahashi
Group A Streptococcus (GAS, Streptococcus pyogenes) causes invasive infections including streptococcal toxic shock syndrome (STSS) and local infections. To our knowledge, this is the first report of a case of an invasive GAS infection with pneumonia and pleural empyema (PE) followed by STSS (disseminated intravascular coagulation [DIC] and acute renal insufficiency) in a healthy male adult. He received combined supportive therapies of PE drainage, anti-DIC agent, hemodialysis, and antimicrobials and eventually made a clinical recovery...
2017: IDCases
https://www.readbyqxmd.com/read/28725545/a-severe-transmissible-majocchi-s-granuloma-in-an-immunocompetent-returned-traveler
#5
James G Gallo, Marion Woods, Rikki M Graham, Amy V Jennison
Severe dermatophyte infection is rare in immunocompetent adults. Recently cases have been described in travelers returning from South East Asia (Luchsinger et al., 2015) [1]. These may be sexually transmitted and can have permanent sequelae. We describe the first reported case of Majocchi's granuloma (MG) in an Australian returned traveler and its subsequent transmission via sexual contact. Both patients were successfully treated with systemic antifungals. MG should be considered in patients with severe rash after travel to South East Asia...
December 2017: Medical Mycology Case Reports
https://www.readbyqxmd.com/read/28722637/schistosomiasis-in-european-travelers-and-migrants-analysis-of-14-years-tropnet-surveillance-data
#6
Tilman Lingscheid, Florian Kurth, Jan Clerinx, Stefania Marocco, Begoña Trevino, Mirjam Schunk, José Muñoz, Ida E Gjørup, Tomas Jelinek, Michel Develoux, Graham Fry, Thomas Jänisch, Matthias L Schmid, Olivier Bouchaud, Sabino Puente, Lorenzo Zammarchi, Kristine Mørch, Anders Björkman, Heli Siikamäki, Andreas Neumayr, Henrik Nielsen, Urban Hellgren, Malgorzata Paul, Guido Calleri, Pavel Kosina, Bjørn Myrvang, José M Ramos, Gudrun Just-Nübling, Anna Beltrame, José Saraiva da Cunha, Peter Kern, Laurence Rochat, August Stich, Peter Pongratz, Martin P Grobusch, Norbert Suttorp, Martin Witzenrath, Christoph Hatz, Thomas Zoller, TropNet Schistosomiasis Investigator Group
Schistosomiasis remains one of the most prevalent parasitic diseases worldwide and the infection is frequently found in travelers and migrants. The European Network for Tropical Medicine and Travel Health conducted a sentinel surveillance study on imported schistosomiasis between 1997 and 2010. This report summarizes epidemiological and clinical data from 1,465 cases of imported schistosomiasis. Direct pathogen detection and serology were the main diagnostic tools applied. Of these, 486 (33%) cases were identified among European travelers, 231 (16%) among long-term expatriates, and 748 (51%) among non-European immigrants...
May 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722620/case-report-infectious-diseases-in-pilgrims-visiting-the-holy-land
#7
Orna Nitzan, Arnon Blum, Esther Marva, Adina Katz, Bat-Sheva Tzadok, Yaarit Nachum-Biala, Gad Baneth, Avi Peretz
Every year Christian pilgrims from around the world visit the holy sites located around the Sea of Galilee. Some become ill during their stay with infectious diseases that were acquired in their country of origin, and are hospitalized at Poriya Medical Center. They pose a diagnostic challenge due to language barriers, the rarity of these infections in Israel, and the fact that diagnostic tests are not readily available. All patient records from 2015 of Holy Land tourists hospitalized at Poriya Medical Center were screened for the diagnosis of imported zoonotic diseases that are not commonly diagnosed in Israel...
May 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722617/case-report-disseminated-shewanella-algae-infection-with-meningoencephalitis-in-a-traveler-secondary-to-marine-injury-in-madagascar
#8
Caroline Brulliard, Nicolas Traversier, Jérôme Allyn, Christopher Schaeffer, Bruno Bouchet, Nicolas Allou
Marine microorganisms such as Shewanella spp., Vibrio spp., and Aeromonas spp. can cause sepsis secondary to a wound infection in the context of swimming. These microorganisms are most often susceptible to fluoroquinolones. Here, we report a unique case of Shewanella algae bacteremia associated with meningoencephalitis and disseminated via hematogenous spread secondary to a skin injury. The patient suffered the injury while swimming in saline water during a cruise holiday in Madagascar, and she was initially treated with amoxicillin...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722582/population-movement-as-a-risk-factor-for-malaria-infection-in-high-altitude-villages-of-tahtay-maychew-district-tigray-northern-ethiopia-a-case-ccontrol-study
#9
Mebrahtom Haile, Hailemariam Lemma, Yemane Weldu
Key goal and targets of the Ethiopian national malaria control strategy are to achieve malaria elimination within specific geographical areas with historically low malaria transmission and to reach near-zero malaria transmission in the remaining malarious areas by 2020. However, back and forth population movement between high-transmission and low-transmission area imposes challenge on the success of national malaria control programs. Therefore, examining the effect of human movement and identification of at-risk populations is crucial in an elimination setting...
June 19, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28721104/case-report-of-a-computerized-tomography-sign-in-strongyloides-stercoralis-infection
#10
Sandeep Yerra, Pradeep Yarra
This is a case of strongyloidiasis showing colon enhancement on a computerized tomography (CT) scan. The patient presented with chief complaints of diarrhea and abdominal pain. She gave a history of recent travel to El Salvador and her stool was positive for Strongyloides stercoralis. A CT scan revealed a circumferential enhancement of the sigmoid colon. This CT sign was unusual in strongyloidiasis and when combined with the symptoms, caused us to rule out inflammatory bowel disease and shock bowel. Stool examination revealed ova and parasites of Strongyloides stercoralis...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28719296/analysis-of-dengue-serotype-4-in-sri-lanka-during-the-2012-2013-dengue-epidemic
#11
Anna Uehara, Hasitha Aravinda Tissera, Champica K Bodinayake, Ananda Amarasinghe, Ajith Nagahawatte, L Gayani Tillekeratne, Jie Cui, Megan E Reller, Paba Palihawadana, Sunethra Gunasena, Aruna Dharshan Desilva, Annelies Wilder-Smith, Duane J Gubler, Christopher W Woods, October M Sessions
The four serotypes of dengue virus (DENV-1, -2, -3, and -4) have had a rapidly expanding geographic range and are now endemic in over 100 tropical and subtropical countries. Sri Lanka has experienced periodic dengue outbreaks since the 1960s, but since 1989 epidemics have become progressively larger and associated with more severe disease. The dominant virus in the 2012 epidemic was DENV-1, but DENV-4 infections were also commonly observed. DENV-4 transmission was first documented in Sri Lanka when it was isolated from a traveler in 1978, but has been comparatively uncommon since dengue surveillance began in the early 1980s...
July 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28719270/mycetoma-madura-foot-in-israel-recent-cases-and-a-systematic-review-of-the-literature
#12
Ohad Bitan, Yonit Wiener-Well, Rina Segal, Eli Schwartz
AbstractMycetoma is a chronic soft tissue infection caused by fungal or bacterial pathogens, and is endemic in tropical and subtropical regions. Cases in developed countries outside the mycetoma belt are rare and usually imported by immigrants. Sporadic cases have been reported in Israel. Unpublished cases in the participating medical centers are reported. In addition, a systematic review of the literature was performed. All published mycetoma cases diagnosed in Israel were included with relevant variables collected...
June 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28715435/spatial-patterns-of-dengue-cases-in-brazil
#13
Fernando Jose Antonio, Andreia Silva Itami, Sergio de Picoli, Jorge Juarez Vieira Teixeira, Renio Dos Santos Mendes
Dengue infection plays a central role in our society, since it is the most prevalent vector-borne viral disease affecting humans. We statistically investigated patterns concerning the spatial spreading of dengue epidemics in Brazil, as well as their temporal evolution in all Brazilian municipalities for a period of 12 years. We showed that the distributions of cases in municipalities follow power laws persistent in time and that the infection scales linearly with the population of the municipalities. We also found that the average number of dengue cases does not have a clear dependence on the longitudinal position of municipalities...
2017: PloS One
https://www.readbyqxmd.com/read/28712937/returning-ex-patriot-chinese-to-guangdong-china-increase-the-risk-for-local-transmission-of-zika-virus
#14
Jiufeng Sun, De Wu, Haojie Zhong, Dawei Guan, Huan Zhang, Qiqi Tan, Huiqiong Zhou, Meng Zhang, Dan Ning, Baohuan Zhang, Changwen Ke, Tie Song, Jinyan Lin, Yonghui Zhang, Marion Koopmans, George F Gao
OBJECTIVES: Rapid transmission and linkage to microcephaly and Guillain-Barre syndrome have made Zika virus (ZIKV) infection become a serious threat to global public health. The epidemiology, virological characteristics and genetic evolution of introduced ZIKV to Guangdong, China, were investigated. METHODS: Analyses of the epidemiological characteristics and genetic diversity of ZIKV isolates were performed. RESULTS: Nineteen confirmed ZIKV infection cases were imported from Venezuela and Samoa...
July 14, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28705204/delay-along-the-care-seeking-journey-of-patients-with-ocular-surface-squamous-neoplasia-in-kenya
#15
Stephen Gichuhi, Joy Kabiru, Alain M'bongo Zindamoyen, Hillary Rono, Ernest Ollando, Joseph Wachira, Rhoda Munene, Timothy Onyuma, Mandeep S Sagoo, David Macleod, Helen A Weiss, Matthew J Burton
BACKGROUND: In Africa, accessing eye health services is a major challenge. Ocular surface squamous neoplasia (OSSN) is a substantial ocular health problem in Africa related to solar UV light exposure and HIV infection among other risk factors. The disease causes visual loss and even death in advanced cases. This study was conducted to assess referral pathway and treatment delay for patients with OSSN in Kenya. METHODS: Adults with conjunctival lesions presenting to four eye centres were asked about their occupations, when they noticed the growth, health facilities visited in seeking care, cost of consultation, surgery, medicines and histopathology and dates at each step...
July 14, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28702980/a-short-novel-about-the-spread-of-two-important-diseases-in-history-syphilis-and-sars
#16
M Rovesti, F Satolli, A Zucchi, M Gandolfi, M Fioranelli, M G Roccia, M Boccalari, K França, J Lotti, N Zerbinati, T Lotti, C Feliciani
Throughout the centuries, the undefended nature of man has very often manifested in cases of epidemics, which have determined scenarios of suffering and death. Through “historical” observation lens, it is possible to understand the relationship between the spread of viruses, bacteria and parasites responsible for these epidemics and the displacement of ancient or contemporary travellers. We have analysed two infective diseases, syphilis and SARS, and their role in history and in medicine.
July 13, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28702470/pericarditis-associated-with-acute-zika-virus-infection-in-a-returning-traveler
#17
Jesse J Waggoner, Nadine Rouphael, Yongxian Xu, Muktha Natrajan, Lilin Lai, Shital M Patel, Rebeca D Levit, Srilatha Edupuganti, Mark J Mulligan
Despite the widespread outbreak, few cases of Zika virus associated with cardiac manifestations have been described. We present a case of pericarditis in the setting of an acute, symptomatic Zika virus infection in a traveler returning from St. Thomas. Clinicians should be alert for this potential complication of Zika virus infection.
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28702303/pulmonary-infections-in-the-returned-traveller
#18
REVIEW
Ashleigh Trimble, V Moffat, A M Collins
Pulmonary infections in the returned traveller are a common presentation. A wide variety of infections may present with pulmonary symptoms. It is important for clinicians to differentiate the cause of these symptoms. The risk of contracting certain travel-related pulmonary diseases depends on travel destination, length of stay, activities undertaken and co-morbidities. Some pathogens are found worldwide, whilst others are related to specific locations. This review article will discuss the approach to diagnosing and treating pulmonary infections in the returned traveller...
2017: Pneumonia
https://www.readbyqxmd.com/read/28698020/first-outbreak-of-colonization-by-linezolid-and-glycopeptide-resistant-enterococcus-faecium-harbouring-the-cfr-gene-in-a-uk-nephrology-unit
#19
Teresa Inkster, John Coia, Danièle Meunier, Michel Doumith, Kate Martin, Rachel Pike, Laura Imrie, Hayley Kane, Marlene Hay, Camilla Wiuff, Julie Wilson, Chris Deighan, Katie L Hopkins, Neil Woodford, Robert Hill
AIM: To describe an outbreak of colonization by linezolid- and glycopeptide-resistant Enterococcus faecium harbouring the cfr gene, in a UK nephrology unit. METHODS: Isolates of linezolid-resistant E. faecium were typed by PFGE and examined by PCR and sequencing for the transmissible cfr gene that confers resistance to linezolid. Enhanced environmental cleaning, initial and weekly screening of all patients and monitoring of adherence to standard infection control precautions (SICPs) were implemented...
July 8, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28695835/the-concept-of-travel-medicine-and-the-actual-situation-of-travel-related-illnesses
#20
Varol Tunalı, Nevin Turgay
Travel medicine defines all diseases and medical situations that are related to travel. Travel medicine comprises infectious diseases, traumas, altitude sickness, sun burns, embolisms, jet lag, and many more travel-related situations. With the increasing possibility and ease of travel, the number of people who have travelled internationally has exceeded 1.13 billion in 2014, and the revenues of international travel have exceeded 1.25 trillion dollars. With every passing day, international travels are shifting toward the developing countries and to more exotic regions of the world, and travelers tend to be more adventurous and daring, thereby increasing risky behaviors during travels...
June 2017: Türkiye Parazitolojii Dergisi
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