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emerging and reemerging diseases

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https://www.readbyqxmd.com/read/28722640/the-role-of-risk-proximity-in-the-beliefs-and-behaviors-related-to-mosquito-borne-diseases-the-case-of-chikungunya-in-french-guiana
#1
Claude Flamand, Camille Fritzell, Pauline Obale, Philippe Quenel, Jocelyn Raude
Human behaviors are increasingly recognized to play a key role in the spread of infectious diseases. Although a set of social and cognitive determinants has been consistently found to affect the adoption of health protective behaviors aiming to control and prevent a variety of infections, little is currently known about the ecological drivers of these behaviors in epidemic settings. In this article, we took advantage of the outbreak of chikungunya, a reemerging mosquito-borne disease, that occurred in French Guiana in 2014-15 to test empirically the assumption proposed by Zielinski-Gutierrez and Hayden that the proximity of the disease and perceptions of the natural environment may considerably shape public response to an emerging health threat...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28687779/potential-risk-of-re-emergence-of-urban-transmission-of-yellow-fever-virus-in-brazil-facilitated-by-competent-aedes-populations
#2
Dinair Couto-Lima, Yoann Madec, Maria Ignez Bersot, Stephanie Silva Campos, Monique de Albuquerque Motta, Flávia Barreto Dos Santos, Marie Vazeille, Pedro Fernando da Costa Vasconcelos, Ricardo Lourenço-de-Oliveira, Anna-Bella Failloux
Yellow fever virus (YFV) causing a deadly viral disease is transmitted by the bite of infected mosquitoes. In Brazil, YFV is restricted to a forest cycle maintained between non-human primates and forest-canopy mosquitoes, where humans can be tangentially infected. Since late 2016, a growing number of human cases have been reported in Southeastern Brazil at the gates of the most populated areas of South America, the Atlantic coast, with Rio de Janeiro state hosting nearly 16 million people. We showed that the anthropophilic mosquitoes Aedes aegypti and Aedes albopictus as well as the YFV-enzootic mosquitoes Haemagogus leucocelaenus and Sabethes albiprivus from the YFV-free region of the Atlantic coast were highly susceptible to American and African YFV strains...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28665076/congenital-syphilis-presenting-with-only-nephrotic-syndrome-reemergence-of-a-forgotten-disease
#3
Yun Hee Kim, Ji Ho Song, Chan Jong Kim, Eun Mi Yang
Syphilis infection has re-emerged after years of declining incidence. The prevalence of congenital syphilis (CS) has increased in Korea and other countries during the last few decades. Untreated infants develop symptoms such as rhinorrhea, anemia, jaundice, cutaneous lesions, hepatosplenomegaly, and pseudoparalysis within weeks or months. Significant renal disease is uncommon in CS, and clinical renal involvement varies from mild transient proteinuria to frank nephrosis. We report a 2-month-old infant with CS who presented with only nephrotic syndrome (NS)...
August 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28648668/catheter-ablation-in-patients-with-pleomorphic-idiopathic-premature-ventricular-complexes
#4
Seth H Sheldon, Rakesh Latchamsetty, Fred Morady, Frank Bogun
BACKGROUND: Premature ventricular complexes (PVCs) often originate from multiple locations. OBJECTIVE: The goals of this study were to assess characteristics of patients with pleomorphic, idiopathic PVCs and to determine the impact of pleomorphic PVCs on outcomes. METHODS: Records were collected from 153 consecutive patients referred for ablation of PVCs. Patients with structural heart disease (n = 34) or inadequate ambulatory electrocardiographic data (n = 19) were excluded...
June 22, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28636449/zika-virus-in-ontario-evaluating-a-rapid-risk-assessment-tool-for-emerging-infectious-disease-threats
#5
Ryan Van Meer, Karin Hohenadel, Alanna Fitzgerald-Husek, Bryna Warshawsky, Doug Sider, Brian Schwartz, Mark P Nelder
To determine the Ontario-specific risk of local and travel-related Zika virus transmission in the context of a public health emergency of international concern, Public Health Ontario (PHO) completed a rapid risk assessment (RRA) on January 29, 2016, using a newly developed RRA guidance tool. The RRA concluded that risk of local mosquito-borne transmission was low, with a high risk of imported cases through travel. The RRA was updated 3 times based on predetermined triggers. An independent evaluation assessed both the application of the RRA guidance tool (process evaluation) and the usefulness of the RRA (outcome evaluation)...
May 2017: Health Security
https://www.readbyqxmd.com/read/28636447/emerging-viral-infections-in-pakistan-issues-concerns-and-future-prospects
#6
Ali Talha Khalil, Muhammad Ali, Faouzia Tanveer, Muhammad Ovais, Muhammad Idrees, Zabta Khan Shinwari, James E Hollenbeck
Emerging infectious diseases pose a serious threat to public health security; this is especially true in the underdeveloped world because of limited resources to combat them. These emerging pathogens are characterized by a novel mode of pathogenesis and, in some cases, a broad host range. Over the past few decades, Pakistan has suffered a great deal from infectious diseases such as dengue, Crimean-Congo fever, hepatitis, measles, and polio. Changing climate conditions, environmental degradation, global warming, loss of biodiversity, and other ecological determinants have a direct effect on these diseases and result in the emergence and reemergence of infectious entities...
May 2017: Health Security
https://www.readbyqxmd.com/read/28529975/phylogenetic-analyses-suggest-that-factors-other-than-the-capsid-protein-play-a-role-in-the-epidemic-potential-of-gii-2-norovirus
#7
Kentaro Tohma, Cara J Lepore, Lauren A Ford-Siltz, Gabriel I Parra
Norovirus is the leading cause of acute gastroenteritis worldwide. For over two decades, a single genotype (GII.4) has been responsible for most norovirus-associated cases. However, during the winter of 2014 to 2015, the GII.4 strains were displaced by a rarely detected genotype (GII.17) in several countries of the Asian continent. Moreover, during the winter of 2016 to 2017, the GII.2 strain reemerged as predominant in different countries worldwide. This reemerging GII.2 strain is a recombinant virus that presents a GII...
May 2017: MSphere
https://www.readbyqxmd.com/read/28529708/yellow-fever-in-the-americas-the-growing-concern-about-new-epidemics
#8
Yeimer Ortiz-Martínez, Andrés Mauricio Patiño-Barbosa, Alfonso J Rodriguez-Morales
Yellow fever (YF) is a haemorrhagic viral disease with a high case fatality rate. It is considered a reemerging infectious disease of remarkable importance. During the last outbreaks in Angola (2015-2016) and Brazil (2016-2017), many cases of YF emerged despite high YF vaccination coverage, increasing the risk of major epidemics in the Americas. Several factors, including the vast border and migratory status of Brazil, the widespread distribution of Aedes mosquitoes and the lack of efficient health policies and surveillance systems, favour this complex epidemiological scenario of reemergence...
2017: F1000Research
https://www.readbyqxmd.com/read/28515300/a-novel-a-h7n2-influenza-virus-isolated-from-a-veterinarian-caring-for-cats-in-a-new-york-city-animal-shelter-causes-mild-disease-and-transmits-poorly-in-the-ferret-model
#9
Jessica A Belser, Joanna A Pulit-Penaloza, Xiangjie Sun, Nicole Brock, Claudia Pappas, Hannah M Creager, Hui Zeng, Terrence M Tumpey, Taronna R Maines
In December 2016, a low-pathogenic avian influenza (LPAI) A(H7N2) virus was identified to be the causative source of an outbreak in a cat shelter in New York City, which subsequently spread to multiple shelters in the states of New York and Pennsylvania. One person with occupational exposure to infected cats became infected with the virus, representing the first LPAI H7N2 virus infection in a human in North America since 2003. Considering the close contact that frequently occurs between companion animals and humans, it was critical to assess the relative risk of this novel virus to public health...
August 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28511142/tailoring-nanostructured-lipid-carriers-for-the-delivery-of-protein-antigens-physicochemical-properties-versus-immunogenicity-studies
#10
Thomas Courant, Emilie Bayon, Hei Lanne Reynaud-Dougier, Christian Villiers, Mathilde Menneteau, Patrice N Marche, Fabrice P Navarro
New vaccine formulations are still highly anticipated in the near-future to face incoming health challenges, such as emergence or reemergence of severe infectious diseases, immunosenescence associated with elderly or the spread of pathogens resistant to antibiotics. In particular, new nanoparticle-based adjuvants are promising for sub-unit vaccines in order to elicit potent and long lasting immune responses with a better control on their safety. In this context, an innovative delivery system of protein antigens has been designed based on the chemical grafting of the antigen onto the shell of Nanostructured Lipid Carriers (NLC)...
May 3, 2017: Biomaterials
https://www.readbyqxmd.com/read/28475453/presence-of-antibodies-to-leptospira-spp-in-black-tailed-prairie-dogs-cynomys-ludovicianus-and-beavers-castor-canadensis-in-northwestern-mexico
#11
Andrés M López-Pérez, Gerardo Carreón-Arroyo, Daniel Atilano, Ana L Vigueras-Galván, Carlos Valdez, Daniel Toyos, Daniel Mendizabal, Jonathan López-Islas, Gerardo Suzán
Leptospires are widespread spirochete bacteria that infect mammals, including rodents and humans. We investigated the presence of Leptospira antibodies in two species of rodents from San Pedro River Basin (SPRB) in northwestern Mexico as part of the black-tailed prairie dog ( Cynomys ludovicianus ) monitoring plan and the North American beaver ( Castor canadensis ) reintroduction program. We sampled a total of 26 black-tailed prairie dogs and three beavers during October-November 2015. We detected antibodies against Leptospira spp...
May 5, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28427535/pathogens-of-food-animals-sources-characteristics-human-risk-and-methods-of-detection
#12
Catherine M Logue, Nicolle L Barbieri, Daniel W Nielsen
Pathogens associated with food production (livestock) animals come in many forms causing a multitude of disease for humans. For the purpose of this review, these infectious agents can be divided into three broad categories: those that are associated with bacterial disease, those that are associated with viruses, and those that are parasitic in nature. The goal of this chapter is to provide the reader with an overview of the most common pathogens that cause disease in humans through exposure via the food chain and the consequence of this exposure as well as risk and detection methods...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28418744/taiwan-s-travel-and-border-health-measures-in-response-to-zika
#13
Li-Li Ho, Yu-Hui Tsai, Wang-Ping Lee, Szu-Tsai Liao, Li-Gin Wu, Yi-Chun Wu
Zika virus has recently emerged as a worldwide public health concern. Travel and border health measures stand as one of the main strategies and frontline defenses in responding to international epidemics. As of October 31, 2016, Taiwan has reported 13 imported cases, 5 of which were detected through routine entry screening and active monitoring at international airports. This article shares Taiwan's disease surveillance activities at designated points of entry and travel and border health measures in response to Zika...
March 2017: Health Security
https://www.readbyqxmd.com/read/28418737/public-health-emergency-response-in-taiwan
#14
Yi-Feng Su, Cheng-Hao Wu, Tsui-Feng Lee
In recent years, growth of international travel and trade, as well as climate change, has resulted in the frequent emergence and reemergence of infectious diseases such as Ebola, Zika, and MERS. In 2016, Taiwan used the Joint External Evaluation (JEE) tool to evaluate its public health emergency response capacities and understand important areas for improvement. This article presents Taiwan's disaster and public health emergency response organizational structure, real-time integrated information, response processes, and command center structure...
March 2017: Health Security
https://www.readbyqxmd.com/read/28399216/emergent-and-reemergent-arboviruses-in-south-america-and-the-caribbean-why-so-many-and-why-now
#15
Carlos Brisola Marcondes, Marta Contigiani, Raquel Miranda Gleiser
Varios arbovirus han emergido y/o reemergido en el Nuevo Mundo en las últimas décadas. Los virus Zika y chikungunya, anteriormente restringidos a África y quizás Asia, invadieron el continente, causando gran preocupación; además siguen ocurriendo brotes causados por el virus dengue en casi todos los países, con millones de casos por año. El virus West Nile invadió rápidamente América del Norte, y ya se han encontrado casos en América Central y del Sur. Otros arbovirus, como Mayaro y el virus de la encefalitis equina del este han aumentado su actividad y se han encontrado en nuevas regiones...
May 1, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28396438/emerging-infectious-diseases-a-proactive-approach
#16
David E Bloom, Steven Black, Rino Rappuoli
Infectious diseases are now emerging or reemerging almost every year. This trend will continue because a number of factors, including the increased global population, aging, travel, urbanization, and climate change, favor the emergence, evolution, and spread of new pathogens. The approach used so far for emerging infectious diseases (EIDs) does not work from the technical point of view, and it is not sustainable. However, the advent of platform technologies offers vaccine manufacturers an opportunity to develop new vaccines faster and to reduce the investment to build manufacturing facilities, in addition to allowing for the possible streamlining of regulatory processes...
April 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28357048/bibliometric-analysis-of-oropouche-research-impact-on-the-surveillance-of-emerging-arboviruses-in-latin-america
#17
Carlos Culquichicón, Jaime A Cardona-Ospina, Andrés M Patiño-Barbosa, Alfonso J Rodriguez-Morales
Given the emergence and reemergence of viral diseases, particularly in Latin America, we would like to provide an analysis of the patterns of research and publication on Oropouche virus (OROV). We also discuss the implications of recent epidemics in certain areas of South America, and how more clinical and epidemiological information regarding OROV is urgently needed.
2017: F1000Research
https://www.readbyqxmd.com/read/28348502/nontuberculous-mycobacteria-in-saudi-arabia-and-gulf-countries-a-review
#18
REVIEW
Hawra Al-Ghafli, Sahal Al-Hajoj
Nontuberculous Mycobacteria (NTM) are causing growing health problems worldwide. This is indicated by an increasing amount of scientific reports showing not only well-identified species reemerging but also emergence of new species. The emergence and reemergence of NTM are particularly worrying in developing countries due to scarce published data and improper identification. Here we aimed to examine the main epidemiological aspects and diagnostic challenges associated with NTM in countries of the Gulf Cooperation Council (GCC) and compare these findings to the international arena findings...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28291501/lateral-flow-rapid-test-for-accurate-and-early-diagnosis-of-scrub-typhus-a-febrile-illness-of-historically-military-importance-in-the-pacific-rim
#19
Chien-Chung Chao, Zhiwen Zhangm, Giulia Weissenberger, Hua-Wei Chen, Wei-Mei Ching
Scrub typhus (ST) is an infection caused by Orientia tsutsugamushi. Historically, ST was ranked as the second most important arthropod-borne medical problem only behind malaria during World War II and the Vietnam War. The disease occurs mainly in Southeast Asia and has been shown to emerge and reemerge in new areas, implying the increased risk for U.S. military and civilian personnel deployed to these regions. ST can effectively be treated by doxycycline provided the diagnosis is made early, before the development of severe complications...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28275047/the-new-biology-and-pharmacology-of-glucagon
#20
REVIEW
T D Müller, B Finan, C Clemmensen, R D DiMarchi, M H Tschöp
In the last two decades we have witnessed sizable progress in defining the role of gastrointestinal signals in the control of glucose and energy homeostasis. Specifically, the molecular basis of the huge metabolic benefits in bariatric surgery is emerging while novel incretin-based medicines based on endogenous hormones such as glucagon-like peptide 1 and pancreas-derived amylin are improving diabetes management. These and related developments have fostered the discovery of novel insights into endocrine control of systemic metabolism, and in particular a deeper understanding of the importance of communication across vital organs, and specifically the gut-brain-pancreas-liver network...
April 2017: Physiological Reviews
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