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https://www.readbyqxmd.com/read/28103830/epidemiology-of-laboratory-confirmed-measles-virus-cases-in-the-southern-nations-of-ethiopia-2007-2014
#1
Mekonen Getahun, Berhane Beyene, Ayesheshem Ademe, Birke Teshome, Mesfin Tefera, Aklog Afework, Yoseph HaileMariam, Esete Assefa, Yonas Hailegiorgis, Anjelo Asha
BACKGROUND: In Ethiopia, measles case-based surveillance was introduced in 2004 as one strategy for measles control by laboratory confirmation of suspected cases. In this article, epidemiological distribution of laboratory-confirmed measles cases were reported from the Southern Nation Nationalities and Peoples Region (SNNPR) of Ethiopia between 2007 and 2014, as the region is one of the highly measles affected areas in Ethiopia. METHOD: A serum sample was collected from all measles suspected cases, and patient information was captured by case reporting format (CRF)...
January 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28103272/prevalence-and-determinants-of-oral-human-papillomavirus-infection-in-500-young-adults-from-italy
#2
Valentina Lupato, Dana Holzinger, Daniela Höfler, Anna Menegaldo, Paolo Giorgi Rossi, Annarosa Del Mistro, Maria Cristina Da Mosto, Michael Pawlita, Paolo Boscolo-Rizzo
Although the prevalence of human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) is increasing in developed countries and becoming a relevant health issue, the natural history of oral HPV infection is still unclear. Estimating the infection's prevalence in specific populations and identifying risk factors can widen our understanding of its natural history and help to delineate appropriate prevention strategies. This study sought to (i) determine oral HPV prevalence and genotype distribution in a large series of young Italian adults, (ii) validate an oral rinse sampling/storage protocol, and (iii) pinpoint factors associated with oral HPV infection...
2017: PloS One
https://www.readbyqxmd.com/read/28103262/serotype-distribution-and-antimicrobial-sensitivity-profile-of-streptococcus-pneumoniae-carried-in-healthy-toddlers-before-pcv13-introduction-in-niamey-niger
#3
Sani Ousmane, Bouli A Diallo, Rasmata Ouedraogo, Abdel-Kader A Sanda, Amadou M Soussou, Jean-Marc Collard
BACKGROUND: To mitigate the burden of pneumococcal infections in Niger, a 13-valent pneumococcal vaccine, PCV13, was introduced for routine child vaccination in July 2014. In order to provide pre-vaccine baseline data and allow appreciation of changes on carriage due to vaccination, we analyzed retrospectively pneumococcal isolates obtained from healthy, 0 to 2 year old children prior to the vaccine introduction. METHODS: From June 5, 2007, to May 26, 2008, 1200 nasopharyngeal swabs were collected from healthy 0 to 2 year old children and analyzed by standard microbiological methods...
2017: PloS One
https://www.readbyqxmd.com/read/28101811/the-distribution-and-function-of-human-memory-t-cell-subsets-in-lung-cancer
#4
Si Yuan Sheng, Yong Gu, Chuan Gang Lu, Jian Yong Zou, Hai Hong, RongFu Wang
The distribution and function of T lymphocytes in human lung cancer remain limited. In this study, we investigated the properties of human T cell subsets in the blood of non-small cell lung cancer (NSCLC) patients. We found a relatively normal level of CD4+ subsets in the blood of NSCLC patients, but CD8+ effector T cells increased and CD8+ effector memory cells declined compared to the healthy donors. To further analyze their properties, we stimulated the peripheral blood mononuclear cells (PBMCs) of NSCLC patients by mitogens to examine cytokine production...
January 19, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28100373/-epidemiological-characteristics-of-children-aged-1-4-years-without-timely-birth-dose-of-hepatitis-b-vaccine-vaccination-in-china-2014
#5
F Z Wang, G M Zhang, L P Shen, J H Liu, H Zheng, F Wang, N Miao, X J Sun, X F Liang, F Q Cui
Objective: To evaluate the epidemiological characteristics of the children aged 1-4 years without timely birth dose of hepatitis B vaccine (HepB(1)) vaccination. Methods: Based on the data from 160 disease surveillance points in 31 provinces of China, two-stage cluster random sampling was used to select the target population aged 1-4 years. A standard questionnaire was used to collect the information about the birth date, gender, ethnic group, place of birth, HepB immunization history of the children selected...
January 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28099486/do-thai-physicians-recommend-seasonal-influenza-vaccines-to-pregnant-women-a-cross-sectional-survey-of-physicians-perspectives-and-practices-in-thailand
#6
Prabda Praphasiri, Darunee Ditsungneon, Adena Greenbaum, Fatimah S Dawood, Pornsak Yoocharoen, Deborah M Stone, Sonja J Olsen, Kim A Lindblade, Charung Muangchana
BACKGROUND: Physicians play a major role in influencing acceptance and uptake of vaccines. However, little is known about physicians' perspectives on influenza vaccination of pregnant women in Thailand, for whom vaccine coverage is estimated at <1%. METHOD: In 2013, a self-administered questionnaire on physicians' perceptions, attitudes and practices related to influenza vaccination for pregnant women was distributed to 1,134 hospitals with an antenatal care clinic (ANC) in Thailand...
2017: PloS One
https://www.readbyqxmd.com/read/28098813/reverse-vaccinology-an-approach-for-identifying-leptospiral-vaccine-candidates
#7
REVIEW
Odir A Dellagostin, André A Grassmann, Caroline Rizzi, Rodrigo A Schuch, Sérgio Jorge, Thais L Oliveira, Alan J A McBride, Daiane D Hartwig
Leptospirosis is a major public health problem with an incidence of over one million human cases each year. It is a globally distributed, zoonotic disease and is associated with significant economic losses in farm animals. Leptospirosis is caused by pathogenic Leptospira spp. that can infect a wide range of domestic and wild animals. Given the inability to control the cycle of transmission among animals and humans, there is an urgent demand for a new vaccine. Inactivated whole-cell vaccines (bacterins) are routinely used in livestock and domestic animals, however, protection is serovar-restricted and short-term only...
January 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28098135/-outbreak-of-whooping-cough-in-2016-%C3%A3-cija-seville-spain
#8
Miguel Porras-Povedano, Ana Roldán-Garrido, Virginia Santacruz-Hamer
OBJECTIVE: Whooping cough is a global public health problem, is a highly contagious disease, and despite universal vaccination increased incidence is observed. The aim of this study was to describe the investigation of a population outbreak. METHODS: A descriptive study of a population outbreak of whooping cough between February and June 2016 in Ecija (Seville). Case and outbreak definitions was taken of Whooping Cough Monitoring Protocol. Information was collected from Health History, Epidemiological Monitoring System and Laboratory...
January 18, 2017: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/28094297/high-throughput-quantitation-of-inorganic-nanoparticle-biodistribution-at-the-single-cell-level-using-mass-cytometry
#9
Yu-Sang Sabrina Yang, Prabhani U Atukorale, Kelly D Moynihan, Ahmet Bekdemir, Kavya Rakhra, Li Tang, Francesco Stellacci, Darrell J Irvine
Inorganic nanoparticles (NPs) are studied as drug carriers, radiosensitizers and imaging agents, and characterizing nanoparticle biodistribution is essential for evaluating their efficacy and safety. Tracking NPs at the single-cell level with current technologies is complicated by the lack of reliable methods to stably label particles over extended durations in vivo. Here we demonstrate that mass cytometry by time-of-flight provides a label-free approach for inorganic nanoparticle quantitation in cells. Furthermore, mass cytometry can enumerate AuNPs with a lower detection limit of ∼10 AuNPs (3 nm core size) in a single cell with tandem multiparameter cellular phenotyping...
January 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28092107/rsv-associated-hospitalizations-in-children-in-karachi-pakistan-implications-for-vaccine-prevention-strategies
#10
Asad Ali, Mohammad Tahir Yousafzai, Rabbia Waris, Fatima Jafri, Fatima Aziz, Imran Naeem Abbasi, Anita Zaidi
Major progress is being made in vaccines against Respiratory Syncytial Virus (RSV), with multiple vaccine candidates currently in the clinical phase of development. Making an investment case for public sector financing of RSV vaccine will require estimation of burden, cost-effectiveness and impact. The aim of this study is to determine the proportion, age distribution and clinical spectrum of RSV associated hospitalizations in children in Karachi, Pakistan. A three years prospective study was conducted at the Aga Khan University hospital in Karachi, a city of 20 million in south Pakistan, from August 2009 to June 2012...
January 16, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28086810/genotypic-characterization-of-orientia-tsutsugamushi-from-patients-in-two-geographical-locations-in-sri-lanka
#11
Ranjan Premaratna, Lucas S Blanton, Dilhar N Samaraweera, G Nalika N de Silva, Nilmini T G A Chandrasena, David H Walker, H J de Silva
BACKGROUND: To date more than 20 antigenically distinct strains of Orientia tsutsugamushi (OT) reported within the tsutsugamushi triangle that cause an undifferentiated acute febrile illness in humans. Genotypic characterization of OT in different geographic regions or within the same country, is important in order to establish effective diagnostics, clinical management and to develop effective vaccines. Genetic and antigenic characterization of OT causing human disease in OT-endemic regions is not known for Sri Lanka...
January 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28077742/colonization-factors-in-enterotoxigenic-escherichia-coli-strains-in-travelers-to-mexico-guatemala-and-india-compared-with-children-in-houston-texas
#12
Vineetkumar B Kharat, Makhdum Ahmed, Zhi-Dong Jiang, Mark S Riddle, Herbert L DuPont
Enterotoxigenic Escherichia coli (ETEC) can be attributed to around 200 million diarrheal episodes and 380,000 deaths in the developing regions. Travelers' diarrhea occurs in 15-40% of travelers to developing regions with ETEC being the most important etiologic agent. This study aims to describe the distribution of enterotoxins and colonization factor (CF) profiles of ETEC isolates from stool samples of adult travelers acquiring diarrhea in Mexico, Guatemala, and India and a group of children with acute diarrhea in Houston, TX, between 2007 and 2012...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28077075/protection-via-a-rom4-dna-vaccine-and-peptide-against-toxoplasma-gondii-in-balb-c-mice
#13
Yali Han, Aihua Zhou, Gang Lu, Guanghui Zhao, Lin Wang, Jingjing Guo, Pengxia Song, Jian Zhou, Huaiyu Zhou, Hua Cong, Shenyi He
BACKGROUND: Toxoplasma gondii (T. gondii) is an obligate intracellular protozoan parasite with a broad host range including most warm-blooded animals, including humans. T. gondii surface antigen 1 (SAG1) is a well-characterized T. gondii antigen. T. gondii expresses five nonmitochondrial rhomboid intramembrane proteases, TgROM1-5. TgROM4 is uniformly distributed on the surface of T. gondii and involved in regulating MIC2, MIC3, MIC6, and AMA1 during T. gondii invasion of host cells. Bioinformatics have predicted ROM4 B-cell and T-cell epitopes...
January 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28075229/altered-mitochondrial-dynamics-as-a-consequence-of-venezuelan-equine-encephalitis-virus-infection
#14
Forrest Keck, Taryn Brooks-Faulconer, Tyler Lark, Pavitra Ravishankar, Charles Bailey, Carolina Salvador-Morales, Aarthi Narayanan
Mitochondria are sentinel organelles that are impacted by various forms of cellular stress, including viral infections. While signaling events associated with mitochondria, including those activated by pathogen associated molecular patterns (PAMPs), are widely studied, alterations in mitochondrial distribution and changes in mitochondrial dynamics are also beginning to be associated with cellular insult. Cells of neuronal origin have been demonstrated to display remarkable alterations in several instances, including neurodegenerative disorders...
January 11, 2017: Virulence
https://www.readbyqxmd.com/read/28072887/dengue-fever-in-travellers-and-risk-of-local-spreading-case-reports-from-southern-italy-and-literature-update
#15
Claudia Fabrizio, Luciana Lepore, Maria Chironna, Gioacchino Angarano, Annalisa Saracino
Dengue fever (DF), an arbovirosis caused by Dengue viruses (DV, serotypes 1-4), is responsible for an increasing number of travel-related acute febrile illnesses due to population growth, climate changes, spreading by viremic travellers, and improved laboratory diagnosis. The presence of efficient vectors (mosquito Aedes albopictus) has also been described in temperate regions including Italy which is considered the most heavily infected European country. Normally characterized by non-specific signs and symptoms, DF incidence is probably underestimated, especially in non-endemic countries, but the risk of severe forms is substantial...
January 5, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28068627/thiosemicarbazones-and-phthalyl-thiazoles-compounds-exert-antiviral-activity-against-yellow-fever-virus-and-saint-louis-encephalitis-virus
#16
Carolina Colombelli Pacca, Rafael Elias Marques, José Wanderlan P Espindola, Gevânio B O Oliveira Filho, Ana Cristina Lima Leite, Mauro Martins Teixeira, Mauricio L Nogueira
Arboviruses, arthropod-borneviruses, are frequency associated to human outbreak and represent a serious health problem. The genus Flavivirus, such as Yellow Fever Virus (YFV) and Saint Louis Encephalitis Virus (SLEV), are important pathogens with high morbidity and mortality worldwide. In Brazil, YFV is maintained in sylvatic cycle, but many cases are notified annually, despite the efficiency of vaccine. SLEV causes an acute encephalitis and is widely distributed in the Americas. There is no specific antiviral drugs for these viruses, only supporting treatment that can alleviate symptoms and prevent complications...
January 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28068184/antimicrobial-susceptibilities-of-flavobacterium-psychrophilum-isolates-from-the-great-lakes-basin-michigan
#17
Danielle Van Vliet, Thomas P Loch, Peter Smith, Mohamed Faisal
Flavobacterium psychrophilum is a serious pathogen of salmonids worldwide, a matter that is compounded by the lack of effective vaccine preparations. As a result, biosecurity measures and antimicrobial agents remain the only available methods to control diseases caused by F. psychrophilum. It is feared that antimicrobial use may have led to the development of F. psychrophilum strains with reduced susceptibility. Therefore, the primary objective of this study was to determine the antimicrobial susceptibility profiles of 50 F...
January 9, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28067936/unparalleled-patterns-of-intussusception-and-rotavirus-gastroenteritis-hospitalization-rates-among-children-younger-than-six-years-in-italy
#18
A Mattei, F Fiasca, M Mazzei, M Sbarbati
BACKGROUND: No nationwide studies are available so far in Italy to analyze the annual trend of hospitalizations for intussusception (IS) comparing it with that of rotavirus gastroenteritis (GARV), therefore a survey was undertaken to assess the incidence rates of IS and GARV in children hospitalized between 2005 and 2014 in Italy. STUDY DESIGN: A retrospective observational study was conducted analyzing the Italian Hospital Discharge Database (HDD), including a study on all hospitalizations bearing a primary or secondary diagnoses coded as 560...
January 2017: Annali di Igiene: Medicina Preventiva e di Comunità
https://www.readbyqxmd.com/read/28067093/rotavirus-epidemiology-5-6-years-after-universal-rotavirus-vaccination-persistent-rotavirus-activity-in-older-children-and-elderly
#19
Jukka Markkula, Maria Hemming-Harlo, Marjo T Salminen, Carita Savolainen-Kopra, Jaana Pirhonen, Haider Al-Hello, Timo Vesikari
BACKGROUND: Rotavirus (RV) vaccination using RotaTeq(®) vaccine exclusively was introduced into Finnish National Immunization Program (NIP) in 2009, and soon reached high (≥90%) coverage. Since mid-2013, all stool samples from laboratory diagnosed cases of RV gastroenteritis in the entire country have been typed. METHODS: 364 RV positive stool samples collected from clinical laboratories over a 2-year period were G- and P-typed using RT-PCR, and the results were confirmed by sequencing...
January 9, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28065950/awareness-about-human-papillomavirus-as-a-cause-of-cervical-cancer-and-its-prevention-in-the-undergraduate-female-students-of-karachi
#20
Ramsha Zaheer, Nabiha Alam, Kinza Chaudary Faqir Hussain, Anam Asif Herekar, Hira Nasir, Shereen Zulfiqar Bhutta
OBJECTIVE: To determine the rate of acceptance of human papillomavirus vaccine for prevention of cervical cancer, and to identify causes of its low acceptance and means of encouraging its uptake. METHODS: This cross-sectional study was conducted at five different universities of Karachi, from July to December 2011, and comprised female undergraduate students. The participants, aged between 17-26 years, were in their first four years of undergraduate studies, and were selected from five universities...
January 2017: JPMA. the Journal of the Pakistan Medical Association
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