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Catherine Hankins, Mitchell Warren, Emmanuel Njeuhmeli
Over 11 million voluntary medical male circumcisions (VMMC) have been performed of the projected 20.3 million needed to reach 80% adult male circumcision prevalence in priority sub-Saharan African countries. Striking numbers of adolescent males, outside the 15-49-year-old age target, have been accessing VMMC services. What are the implications of overall progress in scale-up to date? Can mathematical modeling provide further insights on how to efficiently reach the male circumcision coverage levels needed to create and sustain further reductions in HIV incidence to make AIDS no longer a public health threat by 2030? Considering ease of implementation and cultural acceptability, decision makers may also value the estimates that mathematical models can generate of immediacy of impact, cost-effectiveness, and magnitude of impact resulting from different policy choices...
2016: PloS One
Michael Worobey, Thomas D Watts, Richard A McKay, Marc A Suchard, Timothy Granade, Dirk E Teuwen, Beryl A Koblin, Walid Heneine, Philippe Lemey, Harold W Jaffe
The emergence of HIV-1 group M subtype B in North American men who have sex with men was a key turning point in the HIV/AIDS pandemic. Phylogenetic studies have suggested cryptic subtype B circulation in the United States (US) throughout the 1970s and an even older presence in the Caribbean. However, these temporal and geographical inferences, based upon partial HIV-1 genomes that postdate the recognition of AIDS in 1981, remain contentious and the earliest movements of the virus within the US are unknown. We serologically screened >2,000 1970s serum samples and developed a highly sensitive approach for recovering viral RNA from degraded archival samples...
October 26, 2016: Nature
Eugene T Richardson, Mohamed Bailor Barrie, J Daniel Kelly, Yusupha Dibba, Songor Koedoyoma, Paul E Farmer
Despite more than 25 documented outbreaks of Ebola since 1976, our understanding of the disease is limited, in particular the social, political, ecological, and economic forces that promote (or limit) its spread. In the following study, we seek to provide new ways of understanding the 2013-2016 Ebola pandemic. We use the term, 'pandemic,' instead of 'epidemic,' so as not to elide the global forces that shape every localized outbreak of infectious disease. By situating life histories via a biosocial approach, the forces promoting or retarding Ebola transmission come into sharper focus...
June 2016: Health and Human Rights
Yukihiro Yoshimura, Nobuyuki Miyata, Makiko Miyajima, Yohei Sakamoto, Yuichiro Amano, Natsuo Tachikawa
The number of patients returning from or staying abroad is likely to increase in the future. We performed a retrospective study of patients returning from abroad in our travel clinic in Japan. All patients presenting within 6 months of traveling abroad between 2004 and 2014 were included in the present study. A total of 2374 (mean age, 35 years) patients were seen by doctors specializing in treating infectious diseases. Of these, 918 were females and 87 of them lived abroad. Diagnoses and exposure regions were recorded for all patients...
October 22, 2016: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
Hellen J Amuguni, Melissa Mazan, Robert Kibuuka
Infectious diseases of grave concern to human health are emerging from wildlife and livestock populations in multiple regions of the world. Responding effectively to these emerging pandemics requires engagement of multidisciplinary groups of professionals. Using a One Health approach, One Health Central and Eastern Africa (OHCEA), a network of seven schools of public health and seven veterinary schools, with the support of the United States Agency for International Development (USAID), has engaged in curriculum review with the aim of building the skills of multidisciplinary groups of professionals to improve their capacity to respond to emerging infectious diseases...
October 25, 2016: Journal of Veterinary Medical Education
Beuy Joob, Viroj Wiwanitkit
No abstract text is available yet for this article.
October 2016: Singapore Medical Journal
Tyler Shelby, Tuhina Banerjee, Jyothi Kallu, Shoukath Sulthana, Irene Zegar, Santimukul Santra
Rapid detection and diagnosis of pathogenic strains of influenza is necessary for expedited treatment and quicker resolutions to the ever-rising flu pandemics. Considering this, we propose the development of novel magnetic relaxation nanosensors (MRnS) for the rapid detection of influenza through targeted binding with hemagglutinin. 2,6- and 2,3-sialic acid ligands and entry blocker peptides are conjugated to iron oxide nanoparticles to create functional MRnS. Positive detection of various hemagglutinin variants (H1 and H5) is possible with protein concentrations as little as 1...
October 25, 2016: Nanoscale
Armando Arias, Lucy Thorne, Elsa Ghurburrun, Dalan Bailey, Ian Goodfellow
Intrahost genetic diversity and replication error rates are intricately linked to RNA virus pathogenesis, with alterations in viral polymerase fidelity typically leading to attenuation during infections in vivo. We have previously shown that norovirus intrahost genetic diversity also influences viral pathogenesis using the murine norovirus model, as increasing viral mutation frequency using a mutagenic nucleoside resulted in clearance of a persistent infection in mice. Given the role of replication fidelity and genetic diversity in pathogenesis, we have now investigated whether polymerase fidelity can also impact virus transmission between susceptible hosts...
September 2016: MSphere
Megha Sharma, Kapil Yadav, Nitika Yadav, Keith C Ferdinand
The arrival of Zika virus in the United States has generated a lot of activity on social media focusing on the algorithmic increase in the spread of the disease and its concerning complications. Accurate and credible dissemination of correct information about the arbovirus could help in decreasing the pandemic spread and associated apprehension in the population. Our study examined the effective use of the social media site Facebook (Facebook Inc, Menlo Park, CA) as an information source for the Zika virus pandemic...
October 21, 2016: American Journal of Infection Control
Rachel U Lee, Jennifer M Radin
An increase in narcolepsy incidence was noted after the novel pandemic influenza of 2009, leading to further interest in risk factors associated with this disease. However, there is limited data on the epidemiology of narcolepsy, particularly in the adult population. Therefore, we sought to examine narcolepsy incidence rates in the United States and describe associated characteristics. We performed a population based epidemiologic study of active duty military personnel. All outpatient clinics in the continental United States providing care for active duty military between 2004 through 2013 were included utilizing existing databases...
November 15, 2016: Journal of the Neurological Sciences
Maria Serena Beato, Luca Tassoni, Adelaide Milani, Annalisa Salviato, Guido Di Martino, Monica Mion, Lebana Bonfanti, Isabella Monne, Simon James Watson, Alice Fusaro
In August 2012 repeated respiratory outbreaks caused by swine influenza A virus (swIAV) were registered for a whole year in a breeding farm in northeast Italy that supplied piglets for fattening. The virus, initially characterized in the farm, was a reassortant Eurasian avian-like H1N1 (H1avN1) genotype, containing a haemagglutinin segment derived from the pandemic H1N1 (A(H1N1)pdm09) lineage. To control infection, a vaccination program using vaccines against the A(H1N1)pdm09, human-like H1N2 (H1huN2), human-like H3N2 (H3N2), and H1avN1 viruses was implemented in sows in November 2013...
November 15, 2016: Veterinary Microbiology
Baochao Fan, Zhengyu Yu, Fengjiao Pang, Xiangwei Xu, Baimeng Zhang, Rongli Guo, Kongwang He, Bin Li
Since 2010, outbreaks of variant porcine epidemic diarrhea virus (PEDV) have swept across the world causing substantial economic losses. The development of new, more effective vaccines has been hampered by difficulties in isolating strains and viral genome manipulation. In the present study, we successfully isolated a highly pathogenic field strain AH2012/12, from a pig farm reporting severe diarrhea in China. Phylogenetic analysis revealed that the new isolate belongs to group G2, which represents epidemic and pandemic field strains...
October 19, 2016: Virology
T Koiava, D Gonçalves, J Palmeira, K Arobelidze, M Tediashvili, L Akhvlediani, H Ferreira
Research describing the epidemiology of antibiotic resistant microbes is vital to the proactive development of new antimicrobial agents. In the last years, CTX-M extended-spectrum β-lactamases (ESBLs) have emerged worldwide and have replaced classical TEM and SHV-type ESBLs in many countries. CTX-M-15 is currently the most frequent, with a pandemic distribution, and its rapid spread is facilitated by incorporation of resistance genes in mobile genetic elements. The ESBL is efficacious in Gram-negative bacteria and thus closely associated with nosocomial environments, often colonizing the intestines, particularly in older and dependent patients...
September 2016: Georgian Medical News
Elena S Don, Alexandra G Emelyanova, Natalia N Yakovleva, Nataliia V Petrova, Marina V Nikiforova, Evgeniy A Gorbunov, Sergey A Tarasov, Sergey G Morozov, Oleg I Epstein
The assessment of dose-response is an essential part of drug development in terms of the determination of a drug's effective dose, finding the safety endpoint, estimation of the pharmacokinetic profile and even validation of drug activity, especially for therapeutic agents with a principally novel mechanism of action. Drugs based on released-active forms of antibodies are a good example of such a target. In this study, the efficacy of the antiviral drug Anaferon for children (released-active form of antibodies to interferon-gamma) was tested in a dose-dependent manner (at doses of 0...
October 21, 2016: Journal of Medical Virology
Kelly R Moran, Sara Y Del Valle
Respiratory infectious disease epidemics and pandemics are recurring events that levy a high cost on individuals and society. The health-protective behavioral response of the public plays an important role in limiting respiratory infectious disease spread. Health-protective behaviors take several forms. Behaviors can be categorized as pharmaceutical (e.g., vaccination uptake, antiviral use) or non-pharmaceutical (e.g., hand washing, face mask use, avoidance of public transport). Due to the limitations of pharmaceutical interventions during respiratory epidemics and pandemics, public health campaigns aimed at limiting disease spread often emphasize both non-pharmaceutical and pharmaceutical behavioral interventions...
2016: PloS One
Chris R Triggle, David J Triggle
Preclinical Research With the almost global availability of the Internet comes the expectation of universal accessibility to knowledge, including scientific knowledge-particularly that generated by public funding. Currently this is not the case. In this Commentary we discuss access to this knowledge, the politics that govern peer review and publication, and the role of this knowledge as a public good in medicine. With the almost global availability of the Internet comes the expectation of universal accessibility to knowledge, including scientific knowledge-particularly that generated by public funding...
October 21, 2016: Drug Development Research
(no author information available yet)
No abstract text is available yet for this article.
October 16, 2016: Relevé épidémiologique Hebdomadaire
Richard Aschbacher, Elisabetta Pagani, Massimo Confalonieri, Claudio Farina, Paolo Fazii, Francesco Luzzaro, Pier Giorgio Montanera, Aurora Piazza, Laura Pagani
BACKGROUND: Rates of colonization and infection with multidrug-resistant (MDR) bacteria are increasing worldwide, in both acute care hospitals and long-term care facilities (LTCFs). Italy has one of the highest prevalence of MDR bacteria in European countries, especially with regard to methicillin-resistant Staphylococcus aureus (MRSA) and extended-spectrum β-lactamase (ESBL) or carbapenemase producing Enterobacteriaceae (CPE). METHOD: Review of studies on colonization by MDR bacteria from Italian LTCFs, risk factors for colonization and molecular characteristics of surveillance and clinical isolates, compared with other European countries...
2016: Antimicrobial Resistance and Infection Control
Johanneke D Hemmink, Sophie B Morgan, Mario Aramouni, Helen Everett, Francisco J Salguero, Laetitia Canini, Emily Porter, Margo Chase-Topping, Katy Beck, Ronan Mac Loughlin, B Veronica Carr, Ian H Brown, Mick Bailey, Mark Woolhouse, Sharon M Brookes, Bryan Charleston, Elma Tchilian
Influenza virus infection in pigs is a major farming problem, causing considerable economic loss and posing a zoonotic threat. In addition the pig is an excellent model for understanding immunity to influenza viruses as this is a natural host pathogen system. Experimentally, influenza virus is delivered to pigs intra-nasally, by intra-tracheal instillation or by aerosol, but there is little data comparing the outcome of different methods. We evaluated the shedding pattern, cytokine responses in nasal swabs and immune responses following delivery of low or high dose swine influenza pdmH1N1 virus to the respiratory tract of pigs intra-nasally or by aerosol and compared them to those induced in naturally infected contact pigs...
October 20, 2016: Veterinary Research
Toshihiko Matsuoka, Tomoki Sato, Tomoyuki Akita, Jiturou Yanagida, Hiroki Ohge, Masao Kuwabara, Junko Tanaka
The objective of this study was to identify factors related to the expansion of infection and prevention of influenza A(H1N1)pdm09. A retrospective non-randomized cohort study (from June 2009 to May 2010) on influenza A(H1N1)pdm09 was conducted in a sample of residents from Hiroshima Prefecture, Japan. The cumulative incidence of the influenza A(H1N1)pdm09 and the pandemic vaccine effectiveness (VE) were estimated. The response rate was 53.5% (178,669/333,892). Overall, the odds ratio of non-vaccinated group to vaccinated group for cumulative incidence of influenza A(H1N1)pdm09 was 2...
October 17, 2016: International Journal of Environmental Research and Public Health
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