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https://www.readbyqxmd.com/read/29331008/atypical-presentation-of-rickettsial-spotted-fever
#1
Uday Prabhakar, Anup Singh
Acute febrile illness is a common entity in tropics and often is challenging due a host of pathogenic bacteria, viruses and fungi. Extensive work up is required for better management. Rickettsiosis is uncommon and hence comes lower down in the differentials of multiorgan failure being superseded by the more common diseases as malaria, enteric fever and Dengue. We document a case of young male presenting with high grade fever, multiorgan dysfunction (hepatic, renal, neurological and respiratory involvement), conjunctival suffusion, retiform rash and without lymphadenopathy...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29328646/vibrational-properties-of-bulk-boric-acid-2a-and-3t-polymorphs-and-their-two-dimensional-layers-measurements-and-density-functional-theory-calculations
#2
Mauricelio Bezerra da Silva, Regina C R Santos, Paulo T C Freire, Ewerton W S Caetano, Valder N Freire
Boric acid (H3BO3) is being used effectively nowadays in traps/baits for the management of Aedes aegypti L. and Aedes albopictus Skuse species of mosquitoes, which are the main spreading vectors worldwide for diseases like malaria, dengue and zika. Previously, we have published results on the structural, electronic and optical properties of its molecular triclinic H3BO3-2A and trigonal H3BO3-3T polymorphs within the framework of density functional theory (DFT). Due to the renewed importance of these materials, the focus of this work is on the vibrational properties of the bulk boric acid 2A and 3T polymorphs...
January 12, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29313575/a-study-of-clinical-profile-of-patients-presenting-with-complications-of-acute-febrile-illnesses-during-monsoon
#3
Kaustubh Dilip Salagre, Ravindra Nath Sahay, Amar R Pazare, Abhishek Dubey, Kunal K Marathe
Background: The objective of this study was to describe clinico-laboratory profile and outcome of complicated acute febrile illnesses among inpatients in a tertiary care hospital during monsoon. Methods: This was an observational, prospective study conducted in a tertiary care hospital in Mumbai, India. Between July 2016 to October 2016, adult patients admitted to the hospital with complicated acute febrile illness were included. Demographic, clinical and laboratory data were collected and analyzed for each patient...
September 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29291234/a-clinical-report-on-mixed-infection-of-malaria-dengue-and-chikungunya-from-new-delhi-india
#4
Mohd Abdullah, Ayesha Tazeen, Malik Hisamuddin, Irshad H Naqvi, Hirday N Verma, Anwar Ahmed, Shama Parveen
Arthropod-borne infections like malaria, dengue and chikungunya fever are transmitted by mosquitoes. The present report describes an unusual case of mixed infection with malaria, dengue and chikungunya viruses in a 21 year old male patient from New Delhi, India during monsoon season of 2016. The malarial fever was diagnosed by thin slide microscopy and antigen test. Chikungunya virus IgM was detected in the sample by the card test. Dengue and chikungunya viruses were further confirmed by RT-PCR for CprM and E1 gene respectively...
December 2017: Virusdisease
https://www.readbyqxmd.com/read/29260651/the-epidemiology-of-imported-acute-infectious-diseases-in-zhejiang-province-china-2011-2016-analysis-of-surveillance-data
#5
Zheyuan Ding, Chen Wu, Haocheng Wu, Qinbao Lu, Junfen Lin
To explore epidemiological characteristics of imported acute infectious diseases between 2011 and 2016 in Zhejiang province, China. Data of imported infectious diseases from 2011 to 2016 was collected from the China Information System for Disease Control and Prevention in Zhejiang province, and subsequently analyzed for epidemiological characteristics. A survey was conducted to investigate clinicians' abilities to diagnose these diseases in Zhejiang province. From 2011 to 2016, 1,241 cases of imported acute infectious disease were reported in Zhejiang province, including 1,078 malaria cases, 156 dengue cases, three chikungunya fever cases and four Zika cases...
December 18, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29259764/utility-of-massive-open-online-courses-moocs-concerning-outbreaks-of-emerging-and-reemerging-diseases
#6
Guido Bendezu-Quispe, Junior Smith Torres-Roman, Brenda Salinas-Ochoa, Akram Hernández-Vásquez
The emergence and re-emergence of infectious diseases such as Ebola, chikungunya, and Zika increase the necessity of knowledgeable and skilled health professionals. Massive open online courses (MOOCs) arise as opportunities that allow people around the world to participate in higher education courses. A search was conducted on specialized MOOC platforms to find courses related to outbreaks, using terms included in the list of the WHO disease outbreaks from January 1st to December 31 st, 2016. We found seven courses about Ebola, two about Zika, three about the dynamics of epidemics and pandemics, and only one course about dengue, chikungunya, and malaria...
2017: F1000Research
https://www.readbyqxmd.com/read/29248525/assessing-the-efficiency-of-wolbachia-driven-aedes-mosquito-suppression-by-delay-differential-equations
#7
Mugen Huang, Jiaowan Luo, Linchao Hu, Bo Zheng, Jianshe Yu
To suppress wild population of Aedes mosquitoes, the primary transmission vector of life-threatening diseases such as dengue, malaria, and Zika, an innovative strategy is to release male mosquitoes carrying the bacterium Wolbachia into natural areas to drive female sterility by cytoplasmic incompatibility. We develop a model of delay differential equations, incorporating the strong density restriction in the larval stage, to assess the delicate impact of life table parameters on suppression efficiency. Through mathematical analysis, we find the sufficient and necessary condition for global stability of the complete suppression state...
December 14, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/29228986/addressing-vulnerability-building-resilience-community-based-adaptation-to-vector-borne-diseases-in-the-context-of-global-change
#8
REVIEW
Kevin Louis Bardosh, Sadie Ryan, Kris Ebi, Susan Welburn, Burton Singer
BACKGROUND: The threat of a rapidly changing planet - of coupled social, environmental and climatic change - pose new conceptual and practical challenges in responding to vector-borne diseases. These include non-linear and uncertain spatial-temporal change dynamics associated with climate, animals, land, water, food, settlement, conflict, ecology and human socio-cultural, economic and political-institutional systems. To date, research efforts have been dominated by disease modeling, which has provided limited practical advice to policymakers and practitioners in developing policies and programmes on the ground...
December 11, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/29224404/edip-the-epitope-dilution-phenomenon-lessons-learnt-from-a-malaria-vaccine-antigen-and-its-applicability-to-polymorphic-antigens
#9
Kwadwo Asamoah Kusi, Bart W Faber, Gerrit Koopman, Edmond Joseph Remarque
Polymorphism in vaccine antigens poses major challenges to vaccinologists. The Plasmodium falciparum Apical Membrane Antigen 1 (AMA1) poses such a challenge. We found that immunization with a mixture of three variants yielded functional antibody levels to all variants comparable to levels induced by monovalent immunization. The mechanism behind the observed broadening was shown to be an increase in the fraction of cross-reactive antibodies, most likely because strain-specific epitopes are present at lower frequency relative to conserved epitopes...
December 11, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/29219091/potential-impact-of-climate-change-on-emerging-vector-borne-and-other-infections-in-the-uk
#10
Matthew Baylis
Climate is one of several causes of disease emergence. Although half or more of infectious diseases are affected by climate it appears to be a relatively infrequent cause of human disease emergence. Climate mostly affects diseases caused by pathogens that spend part of their lifecycle outside of the host, exposed to the environment. The most important routes of transmission of climate sensitive diseases are by arthropod (insect and tick) vectors, in water and in food. Given the sensitivity of many diseases to climate, it is very likely that at least some will respond to future climate change...
December 5, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/29211830/antibiotic-utilization-and-the-role-of-suspected-and-diagnosed-mosquito-borne-illness-among-adults-and-children-with-acute-febrile-illness-in-pune-india
#11
Matthew Robinson, Dileep Kadam, Anju Kagal, Sandhya Khadse, Aarti Kinikar, Chhaya Valvi, Anita Basavaraj, Renu Bharadwaj, Ivan Marbaniang, Savita Kanade, Priyanka Raichur, Jonathan Sachs, Eili Klein, Sara Cosgrove, Amita Gupta, Vidya Mave
Background: Antibiotic resistance mechanisms originating in low- and middle- income countries are among the most common worldwide. Reducing unnecessary antibiotic use in India, the world's largest antibiotic consumer is crucial to control antimicrobial resistance globally. Limited data describing factors influencing Indian clinicians to start or stop antibiotics is available. Methods: Febrile adults and children admitted to a public tertiary care hospital in Pune, India were enrolled...
December 4, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29190281/internet-based-biosurveillance-methods-for-vector-borne-diseases-are-they-novel-public-health-tools-or-just-novelties
#12
REVIEW
Simon Pollett, Benjamin M Althouse, Brett Forshey, George W Rutherford, Richard G Jarman
Internet-based surveillance methods for vector-borne diseases (VBDs) using "big data" sources such as Google, Twitter, and internet newswire scraping have recently been developed, yet reviews on such "digital disease detection" methods have focused on respiratory pathogens, particularly in high-income regions. Here, we present a narrative review of the literature that has examined the performance of internet-based biosurveillance for diseases caused by vector-borne viruses, parasites, and other pathogens, including Zika, dengue, other arthropod-borne viruses, malaria, leishmaniasis, and Lyme disease across a range of settings, including low- and middle-income countries...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29187150/identification-of-pathogens-for-differential-diagnosis-of-fever-with-jaundice-in-the-central-african-republic-a-retrospective-assessment-2008-2010
#13
Christelle Luce Bobossi Gadia, Alexandre Manirakiza, Gaspard Tekpa, Xavier Konamna, Ulrich Vickos, Emmanuel Nakoune
BACKGROUND: Febrile jaundice results clinically in generalized yellow coloration of the teguments and mucous membranes due to excess plasma bilirubin, accompanied by fever. Two types are found: conjugated and unconjugated bilirubin jaundice. Jaundice is a sign in several diseases due to viruses (viral hepatitis and arbovirus), parasites (malaria) and bacteria (leptospirosis). In the Central African Republic (CAR), only yellow fever is included on the list of diseases for surveillance...
November 29, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29181956/infectious-diseases-in-poland-in-2015
#14
Małgorzata Sadkowska-Todys, Andrzej Zieliński, Mirosław P. Czarkowski
PURPOSE OF THE STUDY: This is the next annual analysis of the situation of infectious and parasitic diseases in Poland in 2015 within the framework of the Epidemiological Chronicle of Przegląd Epidemiologiczny - Epidemiological Review. Its purpose is to identify potential threats to the health of populations from infectious diseases occurring in Poland with reference to other parts of the globe. MATERIAL AND METHODS: This paper is an introduction to more detailed studies of the epidemiological situation of selected infectious diseases and summarizes the results of the surveillance of infectious diseases in Poland in 2015...
2017: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/29165933/transmission-scenarios-of-major-vector-borne-diseases-in-colombia-1990-2016
#15
Julio César Padilla, Fredy Eberto Lizarazo, Olga Lucía Murillo, Fernando Antonio Mendigaña, Edwin Pachón, Mauricio Javier Vera
Introducción. Las enfermedades transmitidas por vectores representan más de 17 % de todas las enfermedades infecciosas y causan anualmente un millón de defunciones a nivel mundial. En Colombia, la malaria, el dengue, la enfermedad de Chagas y las leishmaniasis son condiciones endemoepidémicas persistentes.Objetivo. Determinar el comportamiento epidemiológico de las enfermedades transmitidas por vectores en zonas urbanas y rurales de Colombia entre 1990 y 2016.Materiales y métodos. Se hizo un estudio descriptivo del comportamiento epidemiológico de las principales enfermedades transmitidas por vectores en zonas urbanas y rurales de Colombia entre 1990 y 2016, con la información proveniente de fuentes oficiales secundarias...
March 29, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29165845/wolbachia-infection-alters-the-relative-abundance-of-resident-bacteria-in-adult-aedes-aegypti-mosquitoes-but-not-larvae
#16
Michelle D Audsley, Andrei Seleznev, D Albert Joubert, Megan Woolfit, Scott L O'Neill, Elizabeth A McGraw
Insect-symbiont interactions are known to play key roles in host functions and fitness. The common insect endosymbiont Wolbachia can reduce the ability of several human pathogens, including arboviruses and the malaria parasite, to replicate in insect hosts. Wolbachia does not naturally infect Aedes aegypti, the primary vector of dengue virus, but transinfected Ae. aegypti have anti-dengue virus properties and are currently being trialled as a dengue biocontrol strategy. Here, we assess the impact of Wolbachia infection of Ae...
November 22, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29162320/controlled-human-infections-a-report-from-the-controlled-human-infection-models-workshop-leiden-university-medical-centre-4-6-may-2016
#17
Meta Roestenberg, Annie Mo, Peter G Kremsner, Maria Yazdanbakhsh
The principle of deliberately infecting humans with infectious agents in a controlled setting, so-called controlled human infections (CHI), is not novel. Many CHI models have a long history and were established decades ago such as the intentional exposure to yellow fever and dengue performed in the 1900's (Reed, 1902) [2]. In these times bioethics and scientific reasoning were in their infancy. Nowadays, clinical trials are highly regulated and CHI are executed worldwide. Controlled human malaria infections and influenza infections are the two most frequently practiced...
November 18, 2017: Vaccine
https://www.readbyqxmd.com/read/29161848/complex-wolbachia-infection-dynamics-in-mosquitoes-with-imperfect-maternal-transmission
#18
Bo Zheng, Wenliang Guo, Linchao Hu, Mugen Huang, Jianshe Yu
Dengue, malaria, and Zika are dangerous diseases primarily transmitted by Aedes aegypti, Aedes albopictus, and Anopheles stephensi. In the last few years, a new disease control method, besides pesticide spraying to kill mosquitoes, has been developed by releasing mosquitoes carrying bacterium Wolbachia into the natural areas to infect the wild population of mosquitoes and block disease transmission. The bacterium is transmitted by infected mothers and the maternal transmission was assumed to be perfect in virtually all previous models...
April 1, 2018: Mathematical Biosciences and Engineering: MBE
https://www.readbyqxmd.com/read/29149175/the-introduction-of-dengue-follows-transportation-infrastructure-changes-in-the-state-of-acre-brazil-a-network-based-analysis
#19
Raquel Martins Lana, Marcelo Ferreira da Costa Gomes, Tiago França Melo de Lima, Nildimar Alves Honório, Cláudia Torres Codeço
Human mobility, presence and passive transportation of Aedes aegypti mosquito, and environmental characteristics are a group of factors which contribute to the success of dengue spread and establishment. To understand this process, we assess data from dengue national and municipal basins regarding population and demographics, transportation network, human mobility, and Ae. aegypti monitoring for the Brazilian state of Acre since the first recorded dengue case in the year 2000 to the year 2015. During this period, several changes in Acre's transport infrastructure and urbanization have been started...
November 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29141337/-epidemiology-of-imported-infectious-diseases-in-china-2013-2016
#20
Y L Wang, X Wang, R Q Ren, L Zhou, W W Tu, D X Ni, Q Li, Z J Feng, Y P Zhang
Objective: To describe the epidemic of imported infectious diseases in China between 2013 and 2016, including the kinds of infectious diseases, affected provinces, source countries and the epidemiological characteristics, and provide scientific information for the prevention and control of imported infectious diseases. Methods: Data of cases of imported infectious diseases in China from 2013 to 2016 were collected from national information reporting system of infectious diseases, Microsoft Excel 2010 and SPSS 18...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
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