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https://www.readbyqxmd.com/read/29155663/frameworks-for-preventing-detecting-and-controlling-zoonotic-diseases
#1
Miriam L Shiferaw, Jeffrey B Doty, Giorgi Maghlakelidze, Juliette Morgan, Ekaterine Khmaladze, Otar Parkadze, Marina Donduashvili, Emile Okitolonda Wemakoy, Jean-Jacques Muyembe, Leopold Mulumba, Jean Malekani, Joelle Kabamba, Theresa Kanter, Linda Lucy Boulanger, Abraham Haile, Abyot Bekele, Meseret Bekele, Kasahun Tafese, Andrea A McCollum, Mary G Reynolds
Preventing zoonotic diseases requires coordinated actions by government authorities responsible for human and animal health. Constructing the frameworks needed to foster intersectoral collaboration can be approached in many ways. We highlight 3 examples of approaches to implement zoonotic disease prevention and control programs. The first, rabies control in Ethiopia, was implemented using an umbrella approach: a comprehensive program designed for accelerated impact. The second, a monkeypox program in Democratic Republic of the Congo, was implemented in a stepwise manner, whereby incremental improvements and activities were incorporated into the program...
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29100534/validation-of-a-pan-orthopox-real-time-pcr-assay-for-the-detection-and-quantification-of-viral-genomes-from-nonhuman-primate-blood
#2
Eric M Mucker, Christopher Hartmann, Donna Hering, Wendy Giles, David Miller, Robert Fisher, John Huggins
BACKGROUND: In 1980, smallpox disease was eradicated from nature and Variola virus, the etiological agent of smallpox, was confined to two laboratories, one located in Russia (Moscow) later moved to VECTOR (Novosibirsk, Siberia) and one in the United States (CDC Atlanta). Vaccinations among the general public ceased shortly after the successful eradication campaign, resulting in an increasingly immunologically susceptible population. Because of the possibility of intentional reintroduction of Variola virus and the emergence of other pathogenic poxviruses, there is a great need for the development of medical countermeasures to treat poxvirus disease...
November 3, 2017: Virology Journal
https://www.readbyqxmd.com/read/29029238/toward-understanding-the-outcomes-of-monkeypox-infection-in-human-pregnancy
#3
Neville K Kisalu, John L Mokili
No abstract text is available yet for this article.
October 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29029147/maternal-and-fetal-outcomes-among-pregnant-women-with-human-monkeypox-infection-in-the-democratic-republic-of-congo
#4
Placide K Mbala, John W Huggins, Therese Riu-Rovira, Steve M Ahuka, Prime Mulembakani, Anne W Rimoin, James W Martin, Jean-Jacques T Muyembe
Human monkeypox is an endemic disease in rain-forested regions of central Democratic Republic of Congo. We report fetal outcomes for 1 of 4 pregnant women who participated in an observational study at the General Hospital of Kole (Sankuru Province), where 222 symptomatic subjects were followed between 2007 and 2011. Of the 4 pregnant women, 1 gave birth to a healthy infant, 2 had miscarriages in the first trimester, and 1 had fetal death, with the macerated stillborn showing diffuse cutaneous maculopapillary skin lesions involving the head, trunk and extremities, including palms of hands and soles of feet...
October 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28972544/assessing-monkeypox-virus-prevalence-in-small-mammals-at-the-human-animal-interface-in-the-democratic-republic-of-the-congo
#5
Jeffrey B Doty, Jean M Malekani, Lem's N Kalemba, William T Stanley, Benjamin P Monroe, Yoshinori U Nakazawa, Matthew R Mauldin, Trésor L Bakambana, Tobit Liyandja Dja Liyandja, Zachary H Braden, Ryan M Wallace, Divin V Malekani, Andrea M McCollum, Nadia Gallardo-Romero, Ashley Kondas, A Townsend Peterson, Jorge E Osorio, Tonie E Rocke, Kevin L Karem, Ginny L Emerson, Darin S Carroll
During 2012, 2013 and 2015, we collected small mammals within 25 km of the town of Boende in Tshuapa Province, the Democratic Republic of the Congo. The prevalence of monkeypox virus (MPXV) in this area is unknown; however, cases of human infection were previously confirmed near these collection sites. Samples were collected from 353 mammals (rodents, shrews, pangolins, elephant shrews, a potamogale, and a hyrax). Some rodents and shrews were captured from houses where human monkeypox cases have recently been identified, but most were trapped in forests and agricultural areas near villages...
October 3, 2017: Viruses
https://www.readbyqxmd.com/read/28894977/varicella-coinfection-in-patients-with-active-monkeypox-in-the-democratic-republic-of-the-congo
#6
Nicole A Hoff, Douglas S Morier, Neville K Kisalu, Sara C Johnston, Reena H Doshi, Lisa E Hensley, Emile Okitolonda-Wemakoy, Jean Jacques Muyembe-Tamfum, James O Lloyd-Smith, Anne W Rimoin
From 2006 to 2007, an active surveillance program for human monkeypox (MPX) in the Democratic Republic of the Congo identified 151 cases of coinfection with monkeypox virus and varicella zoster virus from 1158 suspected cases of human MPX (13%). Using clinical and socio-demographic data collected with standardized instruments by trained, local nurse supervisors, we examined a variety of hypotheses to explain the unexpectedly high proportion of coinfections among the sample, including the hypothesis that the two viruses occur independently...
September 2017: EcoHealth
https://www.readbyqxmd.com/read/28892474/enhancing-case-definitions-for-surveillance-of-human-monkeypox-in-the-democratic-republic-of-congo
#7
Lynda Osadebe, Christine M Hughes, Robert Shongo Lushima, Joelle Kabamba, Beatrice Nguete, Jean Malekani, Elisabeth Pukuta, Stomy Karhemere, Jean-Jacques Muyembe Tamfum, Emile Wemakoy Okitolonda, Mary G Reynolds, Andrea M McCollum
BACKGROUND: Human monkeypox (MPX) occurs at appreciable rates in the Democratic Republic of Congo (DRC). Infection with varicella zoster virus (VZV) has a similar presentation to that of MPX, and in areas where MPX is endemic these two illnesses are commonly mistaken. This study evaluated the diagnostic utility of two surveillance case definitions for MPX and specific clinical characteristics associated with laboratory-confirmed MPX cases. METHODOLOGY/PRINCIPAL FINDINGS: Data from a cohort of suspect MPX cases (identified by surveillance over the course of a 42 month period during 2009-2014) from DRC were used; real-time PCR diagnostic test results were used to establish MPX and VZV diagnoses...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28827792/characterization-of-monkeypox-virus-infection-in-african-rope-squirrels-funisciurus-sp
#8
Elizabeth A Falendysz, Juan G Lopera, Jeffrey B Doty, Yoshinori Nakazawa, Colleen Crill, Faye Lorenzsonn, Lem's N Kalemba, Monica D Ronderos, Andres Mejia, Jean M Malekani, Kevin Karem, Darin S Carroll, Jorge E Osorio, Tonie E Rocke
Monkeypox (MPX) is a zoonotic disease endemic in Central and West Africa and is caused by Monkeypox virus (MPXV), the most virulent Orthopoxvirus affecting humans since the eradication of Variola virus (VARV). Many aspects of the MPXV transmission cycle, including the natural host of the virus, remain unknown. African rope squirrels (Funisciurus spp.) are considered potential reservoirs of MPXV, as serosurveillance data in Central Africa has confirmed the circulation of the virus in these rodent species [1,2]...
August 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28814515/-18-f-fluorodeoxyglucose-uptake-in-lymphoid-tissue-serves-as-a-predictor-of-disease-outcome-in-the-nonhuman-primate-model-of-monkeypox-virus-infection
#9
Julie Dyall, Reed F Johnson, Svetlana Chefer, Christopher Leyson, David Thomasson, Jurgen Seidel, Dan R Ragland, Russell Byrum, Catherine Jett, Jennifer A Cann, Marisa St Claire, Elaine Jagoda, Richard C Reba, Dima Hammoud, Joseph E Blaney, Peter B Jahrling
Real-time bioimaging of infectious disease processes may aid countermeasure development and lead to an improved understanding of pathogenesis. However, few studies have identified biomarkers for monitoring infections using in vivo imaging. Previously, we demonstrated that positron emission tomography/computed tomography (PET/CT) imaging with [(18)F]-fluorodeoxyglucose (FDG) can monitor monkeypox disease progression in vivo in nonhuman primates (NHPs). In this study, we investigated [(18)F]-FDG-PET/CT imaging of immune processes in lymphoid tissues to identify patterns of inflammation in the monkepox NHP model and to determine the value of [(18)F]-FDG-PET/CT as a biomarker for disease and treatment outcomes...
November 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28747505/insufficient-innate-immunity-contributes-to-the-susceptibility-of-the-castaneous-mouse-to-orthopoxvirus-infection
#10
Patricia L Earl, Jeffrey L Americo, Bernard Moss
The castaneous (CAST) mouse, a wild-derived inbred strain, is highly susceptible to orthopoxvirus infection by intranasal and systemic routes. The 50% lethal intraperitoneal dose of vaccinia virus (VACV) was 3 PFU for CAST mice, whereas BALB/c mice survived 10(6) PFU. At all times and in all organs analyzed, virus titers were higher in CAST than in BALB/c mice. In individual CAST mice, luciferase-expressing VACV was seen to replicate rapidly leading to death, whereas virus levels increased for a few days and then declined in BALB/c mice...
October 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28727764/vaccinia-virus-and-cowpox-virus-are-not-susceptible-to-the-interferon-induced-antiviral-protein-mxa
#11
María M Lorenzo, Juana M Sanchez-Puig, Rafael Blasco
MxA protein is expressed in response to type I and type III Interferon and constitute an important antiviral factor with broad antiviral activity to diverse RNA viruses. In addition, some studies expand the range of MxA antiviral activity to include particular DNA viruses like Monkeypox virus (MPXV) and African Swine Fever virus (ASFV). However, a broad profile of activity of MxA to large DNA viruses has not been established to date. Here, we investigated if some well characterized DNA viruses belonging to the Poxviridae family are sensitive to human MxA...
2017: PloS One
https://www.readbyqxmd.com/read/28606813/comparative-efficacy-of-intramuscular-and-scarification-routes-of-administration-of-live-smallpox-vaccine-in-a-murine-challenge-model
#12
A Phelps, A J Gates, L Eastaugh, M Hillier, D O Ulaeto
In recent years concern has mounted regarding the possibility of a re-emergence of smallpox through biowarfare or bioterrorism. There is also concern over the incidence of human monkeypox in endemic areas and the potential for monkeypox to be accidentally transported to non-endemic areas. In the event of re-emergence of smallpox or emergence of monkeypox, the accepted route of administration for live replicating smallpox vaccine is dermal scarification, which generates a virus-shedding lesion that persists for several days at the vaccination site...
June 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28406414/review-of-poxvirus-emergence-of-monkeypox
#13
A Morand, S Delaigue, J J Morand
This article reviews the different types of poxvirus infections. Smallpox, although eradicated, must continue to be monitored because of the potential risk of accidental or voluntary (by bioterrorism) reintroduction. Monkeypox and cowpox viruses are considered to be emergent today ; their high risk of dissemination is due to the increase in international transport as well as trends for new animals as pets and the loss of vaccinal protection against smallpox. Molluscum contagiosum (molluscipoxvirus) causes mild infections, is particularly frequent in children ; in adults it is a marker of the risk of sexually transmitted infections and can, in cases with profuse lesions, reveal AIDS...
February 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28331092/monkeypox-virus-host-factor-screen-using-haploid-cells-identifies-essential-role-of-garp-complex-in-extracellular-virus-formation
#14
Susan Realegeno, Andreas S Puschnik, Amrita Kumar, Cynthia Goldsmith, Jillybeth Burgado, Suryaprakash Sambhara, Victoria A Olson, Darin Carroll, Inger Damon, Tetsuya Hirata, Taroh Kinoshita, Jan E Carette, Panayampalli Subbian Satheshkumar
Monkeypox virus (MPXV) is a human pathogen that is a member of the Orthopoxvirus genus, which includes Vaccinia virus and Variola virus (the causative agent of smallpox). Human monkeypox is considered an emerging zoonotic infectious disease. To identify host factors required for MPXV infection, we performed a genome-wide insertional mutagenesis screen in human haploid cells. The screen revealed several candidate genes, including those involved in Golgi trafficking, glycosaminoglycan biosynthesis, and glycosylphosphatidylinositol (GPI)-anchor biosynthesis...
June 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28329653/introducing-public-health-themes-in-clinical-dermatology
#15
Scott A Norton
The ACGME's Core Competencies comprise six domains, which in turn contain dozens of often overlapping milestones. Several competencies explicitly invoke public health topics - but if one wears the right set of lenses, nearly every milestone, nearly every aspect of health and medicine, can be viewed from a public health perspective. Why then is Dermatology generally taught - and practiced - in an Intensive Care manner, where seemingly unlimited diagnostic & therapeutic efforts focus on single individuals, not the community?In this presentation, I argue that topics of public health concern should not be relegated to the minor leagues of GME...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28192435/presumptive-risk-factors-for-monkeypox-in-rural-communities-in-the-democratic-republic-of-the-congo
#16
Claire A Quiner, Cynthia Moses, Benjamin P Monroe, Yoshinori Nakazawa, Jeffrey B Doty, Christine M Hughes, Andrea M McCollum, Saturnin Ibata, Jean Malekani, Emile Okitolonda, Darin S Carroll, Mary G Reynolds
Monkeypox virus (MPXV), a close relative of Variola virus, is a zoonotic virus with an unknown reservoir. Interaction with infected wildlife, bites from peri-domestic animals, and bushmeat hunting are hypothesized routes of infection from wildlife to humans. Using a Risk Questionnaire, performed in monkeypox-affected areas of rural Democratic Republic of the Congo, we describe the lifestyles and demographics associated with presumptive risk factors for MPXV infection. We generated two indices to assess risk: Household Materials Index (HMI), a proxy for socioeconomic status of households and Risk Activity Index (RAI), which describes presumptive risk for animal-to-human transmission of MPXV...
2017: PloS One
https://www.readbyqxmd.com/read/28039021/buccal-viral-dna-as-a-trigger-for-brincidofovir-therapy-in-the-mousepox-model-of-smallpox
#17
Ryan Crump, Maria Korom, R Mark Buller, Scott Parker
Orthopoxviruses continue to pose a significant threat to the population as potential agents of bioterrorism. An intentional release of natural or engineered variola virus (VARV) or monkeypox viruses would cause mortality and morbidity in the target population. To address this, antivirals have been developed and evaluated in animal models of smallpox and monkeypox. One such antiviral, brincidofovir (BCV, previously CMX001), has demonstrated high levels of efficacy against orthopoxviruses in animal models and is currently under clinical evaluation for prevention and treatment of diseases caused by cytomegaloviruses and adenoviruses...
March 2017: Antiviral Research
https://www.readbyqxmd.com/read/28003603/a-single-vaccination-of-nonhuman-primates-with-highly-attenuated-smallpox-vaccine-lc16m8-provides-long-term-protection-against-monkeypox
#18
Itoe Iizuka, Yasushi Ami, Yuriko Suzaki, Noriyo Nagata, Shuetsu Fukushi, Momoko Ogata, Shigeru Morikawa, Hideki Hasegawa, Masashi Mizuguchi, Ichiro Kurane, Masayuki Saijo
Monkeypox virus (MPXV) causes human monkeypox (human MPX), which is a similar disease with smallpox in humans. A previous study showed that a single vaccination of monkeys with LC16m8, a highly attenuated smallpox vaccine, protected them from MPX at 4-5 weeks after vaccination. In the present study, we evaluated the long-term efficacy of a single vaccination with LC16m8 in a nonhuman primate model of MPXV infection. The monkeys were inoculated with LC16m8, Lister (parental strain of LC16m8), or mock and then challenged with MPXV via the subcutaneous route at 6 and 12 months after vaccination, which we compared with either Lister or mock vaccination...
December 22, 2016: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27994107/evaluation-of-the-genexpert-for-human-monkeypox-diagnosis
#19
Daniel Li, Kimberly Wilkins, Andrea M McCollum, Lynda Osadebe, Joelle Kabamba, Beatrice Nguete, Toutou Likafi, Marcel Pie Balilo, Robert Shongo Lushima, Jean Malekani, Inger K Damon, Michael C L Vickery, Elisabeth Pukuta, Frida Nkawa, Stomy Karhemere, Jean-Jacques Muyembe Tamfum, Emile Wemakoy Okitolonda, Yu Li, Mary G Reynolds
Monkeypox virus (MPXV), a zoonotic orthopoxvirus (OPX), is endemic in the Democratic Republic of Congo (DRC). Currently, diagnostic assays for human monkeypox (MPX) focus on real-time quantitative polymerase chain reaction (PCR) assays, which are typically performed in sophisticated laboratory settings. Herein, we evaluated the accuracy and utility of a multiplex MPX assay using the GeneXpert platform, a portable rapid diagnostic device that may serve as a point-of-care test to diagnose infections in endemic areas...
February 8, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27938377/rapid-and-sensitive-point-of-care-detection-of-orthopoxviruses-by-abicap-immunofiltration
#20
Daniel Stern, Victoria A Olson, Scott K Smith, Marko Pietraszczyk, Lilija Miller, Peter Miethe, Brigitte G Dorner, Andreas Nitsche
BACKGROUND: The rapid and reliable detection of infectious agents is one of the most challenging tasks in scenarios lacking well-equipped laboratory infrastructure, like diagnostics in rural areas of developing countries. Commercially available point-of-care diagnostic tests for emerging and rare diseases are particularly scarce. RESULTS: In this work we present a point-of-care test for the detection of Orthopoxviruses (OPV). The OPV ABICAP assay detects down to 1 × 10(4) plaque forming units/mL of OPV particles within 45 min...
December 9, 2016: Virology Journal
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