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https://www.readbyqxmd.com/read/28545721/impact-of-menafrivac-in-nine-countries-of-the-african-meningitis-belt-2010-15-an-analysis-of-surveillance-data
#1
Caroline L Trotter, Clément Lingani, Katya Fernandez, Laura V Cooper, André Bita, Carol Tevi-Benissan, Olivier Ronveaux, Marie-Pierre Préziosi, James M Stuart
BACKGROUND: In preparation for the introduction of MenAfriVac, a meningococcal group A conjugate vaccine developed for the African meningitis belt, an enhanced meningitis surveillance network was established. We analysed surveillance data on suspected and confirmed cases of meningitis to quantify vaccine impact. METHODS: We compiled and analysed surveillance data for nine countries in the meningitis belt (Benin, Burkina Faso, Chad, Côte d'Ivoire, Ghana, Mali, Niger, Nigeria, and Togo) collected and curated by the WHO Inter-country Support Team between 2005 and 2015...
May 22, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28541287/the-geography-of-measles-vaccination-in-the-african-great-lakes-region
#2
Saki Takahashi, C Jessica E Metcalf, Matthew J Ferrari, Andrew J Tatem, Justin Lessler
Expanded access to measles vaccination was among the most successful public health interventions of recent decades. All WHO regions currently target measles elimination by 2020, yet continued measles circulation makes that goal seem elusive. Using Demographic and Health Surveys with generalized additive models, we quantify spatial patterns of measles vaccination in ten contiguous countries in the African Great Lakes region between 2009-2014. Seven countries have 'coldspots' where vaccine coverage is below the WHO target of 80%...
May 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28536308/immune-correlates-of-gm-csf-and-melanoma-peptide-vaccination-in-a-randomized-trial-for-the-adjuvant-therapy-of-resected-high-risk-melanoma-e4697
#3
Lisa H Butterfield, Fengmin Zhao, Sandra Lee, Ahmad A Tarhini, Kim A Margolin, Richard L White, Michael Atkins, Gary I Cohen, Theresa L Whiteside, John M Kirkwood, David H Lawson
Purpose: E4697 was a multi-center intergroup randomized placebo-controlled Phase III trial of adjuvant GM-CSF and/or a multi-epitope melanoma peptide vaccine for patients with completely resected, high-risk stage III/IV melanoma. <p>Experimental Design: 815 patients were enrolled from 12/99 to 10/06 into this 6-arm study. GM-CSF was chosen to promote the numbers and functions of dendritic cells (DC). The melanoma antigen peptide vaccine (Tyrosinase368-376 (370D), gp100209-217 (210M), MART-127-35) in Montanide was designed to promote melanoma specific CD8(+) T cell responses...
May 23, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28532993/canine-leptospirosis-in-switzerland-a-prospective-cross-sectional-study-examining-seroprevalence-risk-factors-and-urinary-shedding-of-pathogenic-leptospires
#4
Alessandro Delaude, Sabrina Rodriguez-Campos, Anou Dreyfus, Michel Jacques Counotte, Thierry Francey, Ariane Schweighauser, Sophie Lettry, Simone Schuller
Leptospirosis is an important worldwide zoonosis. While human leptospirosis remains rare in Switzerland, the incidence of canine leptospirosis is unusually high compared to other European countries. The aims of this cross-sectional study were to determine the exposure of asymtomatic dogs to pathogenic Leptospira in Switzerland, to characterise risk factors associated with seropositivity and to determine the prevalence of urinary shedding. Sampling was stratified to cover the whole of Switzerland. Sera were tested by microscopic agglutination test for antibodies against a panel of 12 serovars...
June 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28532666/transcription-of-immune-related-genes-in-solea-senegalensis-vaccinated-against-photobacterium-damselae-subsp-piscicida-identification-of-surrogates-of-protection
#5
J A Núñez-Díaz, I García de la Banda, C Lobo, M A Moriñigo, M C Balebona
Solea senegalensis is a flatfish with a great potential for aquaculture, but infectious diseases restrict its production, being this fish species highly susceptible to Photobacterium damselae subsp. piscicida (Phdp) infections. A better understanding of the mechanisms related to fish immune response is crucial for the development of effective approaches in disease management. In the present work, transcriptional changes of immune related genes have been evaluated in farmed S. senegalensis specimens vaccinated against Phdp by intraperitoneal injection (IP) and immersion (IM)...
May 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28526331/prevalence-of-oral-human-papillomavirus-by-vaccination-status-among-young-adults-18-30years-old
#6
Jacqueline M Hirth, Mihyun Chang, Vicente A Resto
BACKGROUND: Although there is evidence that human papillomavirus (HPV) vaccination may protect against oral HPV infection, no current research has demonstrated this in the general population. METHODS: We used repeated cross-sectional data from the National Health and Nutrition Examination Survey (NHANES) between 2009 and 2014. Participants 18-30years who indicated whether they had received the HPV vaccine and provided an adequate oral sample were included (N=3040)...
May 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28525973/varicella-zoster-virus-seroprevalence-in-children-and-adolescents-in-the-pre-varicella-vaccine-era-germany
#7
Miriam Wiese-Posselt, Anette Siedler, Annette Mankertz, Andreas Sauerbrei, Hartmut Hengel, Ole Wichmann, Christina Poethko-Müller
BACKGROUND: In 2004, universal childhood varicella vaccination was introduced in Germany. We aimed to determine the age-specific prevalence of anti-varicella zoster virus (VZV) IgG-antibodies among children in the pre-varicella vaccine era in Germany, to identify factors associated with VZV seropositivity, and to assess the suitability of a commercially available ELISA for VZV seroepidemiological studies by comparing it with an in-house fluorescent antibody to membrane antigen test (FAMA) as the gold standard...
May 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28525597/influenza-vaccination-modifies-disease-severity-among-community-dwelling-adults-hospitalized-with-influenza
#8
Carmen Sofia Arriola, Shikha Garg, Evan J Anderson, Patricia A Ryan, Andrea George, Shelley M Zansky, Nancy Bennett, Arthur Reingold, Marisa Bargsten, Lisa Miller, Kimberly Yousey-Hindes, Lilian Tatham, Susan R Bohm, Ruth Lynfield, Ann Thomas, Mary Lou Lindegren, William Schaffner, Alicia M Fry, Sandra S Chaves
Background: We investigated the effect of influenza vaccination on disease severity in adults hospitalized with laboratory-confirmed influenza during 2013-14, a season in which vaccine viruses were antigenically similar to those circulating. Methods: We analyzed data from the 2013-14 influenza season, and used propensity score matching to account for the probability of vaccination within age strata (18-49, 50-64 and ≥65 years). Death, intensive care unit (ICU) admission, and hospital and ICU lengths of stay (LOS) were outcome measures for severity...
May 19, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28523054/acute-bacterial-meningitis-in-children-presenting-to-the-children-s-hospital-lahore-before-and-after-pneumococcal-vaccine-in-pakistan-national-immunization-program-a-comparison
#9
Attia Bari, Fatima Zeeshan, Aizza Zafar, Hasan Ejaz, Uzma Jabeen, Ahsan Waheed Rathore
OBJECTIVE: To describe bacteriological profile, morbidity and mortality of acute bacterial meningitis (ABM) in children and to compare these parameters before and after the introduction of Pneumococcal vaccine in Pakistan National Immunization Program. METHODS: The present descriptive study was conducted at the Department of Paediatric Medicine of The Children's Hospital Lahore from January 2012 to December 2015. A total of 503 children one month to five years of age admitted with diagnosis of meningitis were included...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28521804/sero-prevalence-of-virus-neutralizing-antibodies-for-rabies-in-different-groups-of-dogs-following-vaccination
#10
R M S Pimburage, M Gunatilake, O Wimalaratne, A Balasuriya, K A D N Perera
BACKGROUND: Mass vaccination of dogs is considered fundamental for national rabies control programmes in Sri Lanka, as dog is the main reservoir and transmitter of the disease. METHODS: Dogs were followed to determine the sero-prevalence of antibodies to the rabies virus. Altogether 510 previously vaccinated and unvaccinated dogs with owners (domestic dogs) and dogs without owners (stray dogs) of the local guard dog breed in different age groups recruited from Kalutara District, Sri Lanka...
May 18, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28514646/heparin-removal-by-ecteola-cellulose-pre-treatment-enables-the-use-of-plasma-samples-for-accurate-measurement-of-anti-yellow-fever-virus-neutralizing-antibodies
#11
Ana Carolina Campi-Azevedo, Vanessa Peruhype-Magalhães, Jordana Grazziela Coelho-Dos-Reis, Christiane Costa-Pereira, Anna Yoshida Yamamura, Sheila Maria Barbosa de Lima, Marisol Simões, Fernanda Freire Campos Nunes, Aline de Castro Zacche Tonini, Elenice Moreira Lemos, Ricardo Cristiano Brum, Tatiana Guimarães de Noronha, Marcos da Silva Freire, Maria de Lourdes Sousa Maia, Luiz Antônio Bastos Camacho, Maria Rios, Caren Chancey, Alessandro Romano, Carla Magda Domingues, Andréa Teixeira-Carvalho, Olindo Assis Martins-Filho
Technological innovations in vaccinology have recently contributed to bring about novel insights for the vaccine-induced immune response. While the current protocols that use peripheral blood samples may provide abundant data, a range of distinct components of whole blood samples are required and the different anticoagulant systems employed may impair some properties of the biological sample and interfere with functional assays. Although the interference of heparin in functional assays for viral neutralizing antibodies such as the functional plaque-reduction neutralization test (PRNT), considered the gold-standard method to assess and monitor the protective immunity induced by the Yellow fever virus (YFV) vaccine, has been well characterized, the development of pre-analytical treatments is still required for the establishment of optimized protocols...
May 14, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28506756/-estimation-of-the-population-attributable-fraction-due-to-obesity-in-hospital-admissions-for-flu-valued-according-to-body-mass-index-bmi-and-cun-bae
#12
V Dávila-Batista, D Carriedo, F Díez, A Pueyo Bastida, B Martínez Durán, V Martin
INTRODUCTION: The obesity pandemic together with the influenza pandemic could lead to a significant burden of disease. The body mass index (BMI) does not discriminate obesity appropriately. The CUN-BAE has recently been used as an estimate of body fatness for Caucasians, including BMI, gender, and age. The aim of this study is to assess the population attributable fraction of hospital admissions due to influenza, due to the body fatness measured with the BMI, and the CUN-BAE. METHODS: A multicentre study was conducted using matched case-controls...
May 11, 2017: Semergen
https://www.readbyqxmd.com/read/28499721/efficacy-of-south-african-babesia-bovis-vaccine-against-field-isolates
#13
P C Troskie, A A Latif, B J Mans, M P Combrink
A high-passage Babesia bovis vaccine containing only one genotype population was, although protective, inferior compared to the immunity afforded by a lower passage of the same strain containing two populations. The 24 times serially passaged South African B. bovis S vaccine strain contain only a single parasite population (Bv80 allele A 558bp). Forty-four field isolates sampled were all found different with regard to the number and composition of the parasite populations present in each isolate. The extensive genotypic diversity in South Africa and the limited genotypic diversity observed in the S24 vaccine, raised the question on its ability to protect against such diverse populations...
May 3, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28499554/effectiveness-of-hpv-vaccines-against-genital-warts-in-women-from-valencia-spain
#14
Esther Navarro-Illana, Mónica López-Lacort, Pedro Navarro-Illana, Juan José Vilata, Javier Diez-Domingo
OBJECTIVES: To assess the effectiveness of the HPV vaccines in preventing genital warts in young women. DESIGN: Population-based study using health databases. SETTING: Valencian Community (Spain). PARTICIPANTS: All girls and women aged 14-19years who were registered in the Valencian Community between January 2009 and December 2014 (n=279,787). MAIN OUTCOME MEASURES: Incident cases of genital warts were defined as the first activation of diagnosis code ICD-9-CM 078...
June 5, 2017: Vaccine
https://www.readbyqxmd.com/read/28495264/community-engagement-and-integrated-health-and-polio-immunisation-campaigns-in-conflict-affected-areas-of-pakistan-a-cluster-randomised-controlled-trial
#15
Muhammad Atif Habib, Sajid Soofi, Simon Cousens, Saeed Anwar, Najib Ul Haque, Imran Ahmed, Noshad Ali, Rehman Tahir, Zulfiqar A Bhutta
BACKGROUND: Pakistan faces huge challenges in eradicating polio due to widespread poliovirus transmission and security challenges. Innovative interventions are urgently needed to strengthen community buy-in, to increase the coverage of oral polio vaccine (OPV) and other routine immunisations, and to enhance immunity through the introduction of inactivated polio vaccine (IPV) in combination with OPV. We aimed to evaluate the acceptability and effect on immunisation coverage of an integrated strategy for community engagement and maternal and child health immunisation campaigns in insecure and conflict-affected polio-endemic districts of Pakistan...
June 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28488996/assessing-varicella-vaccine-effectiveness-and-its-influencing-factors-using-health-insurance-claims-data-germany-2006-to-2015
#16
Thorsten Rieck, Marcel Feig, Matthias An der Heiden, Anette Siedler, Ole Wichmann
In Germany, routine childhood varicella vaccination was implemented in 2004 with two doses recommended since 2009. We used an immunisation information system based on countrywide health insurance claims data to analyse vaccine effectiveness (VE) and factors influencing VE. We applied proportional hazard models to estimate VE under various conditions and compared the risk of acquiring varicella among unvaccinated children in regions with high vs low vaccination coverage (VC). Among 1.4 million children we identified 29,404 varicella cases over a maximum follow-up of 8 years post-vaccination...
April 27, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28487657/waning-immunity-is-associated-with-periodic-large-outbreaks-of-mumps-a-mathematical-modeling-study-of-scottish-data
#17
Dalila Hamami, Ross Cameron, Kevin G Pollock, Carron Shankland
Vaccination programs for childhood diseases, such as measles, mumps and rubella have greatly contributed to decreasing the incidence and impact of those diseases. Nonetheless, despite long vaccination programmes across the world, mumps has not yet been eradicated in those countries: indeed, large outbreaks continue. For example, in Scotland large outbreaks occurred in 2004, 2005, and 2015, despite introducing the MMR (Measles-Mumps-Rubella) vaccine more than 20 years ago. There are indications that this vaccine-preventable disease is re-emerging in highly vaccinated populations...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28483198/targeted-outreach-hepatitis-b-vaccination-program-in-high-risk-adults-the-fundamental-challenge-of-the-last-mile
#18
M-J J Mangen, H Stibbe, A Urbanus, E C Siedenburg, Q Waldhober, G A de Wit, J E van Steenbergen
BACKGROUND: The aim of this study was to evaluate the cost-effectiveness of the on-going decentralised targeted hepatitis B vaccination program for behavioural high-risk groups operated by regional public health services in the Netherlands since 1-November-2002. Target groups for free vaccination are men having sex with men (MSM), commercial sex workers (CSW) and hard drug users (HDU). Heterosexuals with a high partner change rate (HRP) were included until 1-November-2007. METHODS: Based on participant, vaccination and serology data collected up to 31-December-2012, the number of participants and program costs were estimated...
May 31, 2017: Vaccine
https://www.readbyqxmd.com/read/28482004/imputing-direct-and-indirect-vaccine-effectiveness-of-childhood-pneumococcal-conjugate-vaccine-against-invasive-disease-by-surveying-temporal-changes-in-nasopharyngeal-pneumococcal-colonization
#19
Susan A Nzenze, Shabir A Madhi, Tinevimbo Shiri, Keith P Klugman, Linda de Gouveia, David P Moore, Alan S Karstaedt, Stefano Tempia, Marta C Nunes, Anne von Gottberg
The limited capabilities in most low-middle income countries to study the bebfit of pneumococcal conjugate vaccine (PCV) against invasive pneumococcal disease (IPD), calls for alternate strategies to assess this. We used a mathematical model, to predict the direct and indirect effectiveness of PCV by analyzing serotype specific colonization prevalence and IPD incidence prior to and following childhood PCV immunization in South Africa. We analyzed IPD incidence from 2005-2012 and colonization studies undertaken in HIV-uninfected and HIV-infected child-mother dyads from 2007-2009 (pre-PCV era), in 2010 (7-valent PCV era) and 2012 (13-valent PCV era)...
May 6, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28480943/vaccination-of-broilers-against-newcastle-disease-in-the-presence-of-maternally-derived-antibodies
#20
Anto Vrdoljak, Máté Halas, Tamás Süli
OBJECTIVE: The aim of this study was to evaluate the efficacy of a live attenuated vaccine against Newcastle disease in broilers with different levels of maternally derived antibodies (MDA). While vaccination remains the single most important means for controlling Newcastle disease, presence of MDA may interfere with the vaccination of young birds and decrease the efficacy of the vaccine. MATERIALS AND METHODS: Day-old chicks with variable levels of MDA (negative, low and high) were vaccinated with a live attenuated vaccine against Newcastle disease...
May 8, 2017: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
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